Killer Frost is a name used by several fictional female supervillains and superheroes appearing in comic books published by DC Comics: Crystal Frost, Louise Lincoln and Caitlin Snow. Each different individual in the DC Universe assuming the Killer Frost persona is usually as an adversary (or acquaintance, ally, love interest) of the superhero Firestorm.
Various iterations (Crystal Snow and Louise Lincoln) have appeared in various animated projects and video games with most of them having the character voiced by Jennifer Hale. Danielle Panabaker portrays Caitlin Snow and her split personality Killer Frost on the shared DC Arrowverse shows, where she is a main character on the television series The Flash.
Crystal Frost as Killer Frost in Who's Who: The Definitive Directory of the DC Universe #12
(February 1986). Art by Al Milgrom.
|First appearance||(Crystal Frost) Firestorm vol. 1 #3 (June 1978)|
(Louise Lincoln) Firestorm vol. 2 #21 (March 1984) (as Louise Lincoln)
Firestorm vol. 2 #34 (April 1985) (as Killer Frost)
(Caitlin Snow) Fury of Firestorm: The Nuclear Man #19 (June 2013) (as Caitlin Snow)
Justice League of America #7.2 (November 2013) (as Killer Frost)
|Created by||(Crystal Frost and Louise Lincoln)|
|Alter ego||Crystal Frost|
|Team affiliations||(Crystal Frost)|
Black Lantern Corps
Secret Society of Super Villains
Secret Society of Super Villains
Justice League of America
|Abilities||(All) Cold and Ice manipulation|
Crystal Frost was the first incarnation, first appearing in Firestorm #3 (June 1978). While Frost was studying to be a scientist in Hudson University, she fell in love with her teacher Martin Stein. While working on a project in the Arctic, Frost was upset to learn that Stein did not reciprocate her feelings; Stein told a fellow researcher that Crystal was a withdrawn student and that he had merely tried to draw her out of her shell, which Crystal completely misinterpreted. Frost accidentally locked herself in a thermafrost chamber but survived, being transformed in a way in which she was able to absorb heat from a living being and project cold and ice. Calling herself "Killer Frost", she began her murderous crusade against men and clashed with Firestorm on many occasions. Killer Frost eventually died after she absorbed too much energy from Firestorm. Crystal has been identified as one of the deceased villains entombed below the Hall of Justice. Her body was reanimated as a Black Lantern.
Dr. Louise Lincoln is the second incarnation; she first appeared in Firestorm (vol. 2) #21 (March 1984) and used the "Killer Frost" name in Firestorm vol. 2 #34 (April 1985). Lincoln was a colleague and friend to Crystal Frost. After her friend's death, she decided to repeat the experiment as a last respect to her former mentor, and became the second Killer Frost. She became just as ruthless as her predecessor and began her own personal vendetta against Firestorm whom she blamed for Crystal's death. She briefly served as a member of the Suicide Squad and sold her soul to Neron for more power.
After a group of mobsters put out a hit on Lois Lane, Killer Frost rescued Lois from Solomon Grundy, only to then leave the reporter bound and gagged on a set of train tracks, hoping to take the credit and reward for Lane's death. Her plan was foiled by Superman who rescued Lois before the train could hit.
Killer Frost was later freed when the DEO refrigeration truck transporting her crashed. Effigy happened upon the crash and she discovered the heat from Effigy's pyrokinetic abilities enabled her to kiss Effigy without him freezing over. The two had a brief flirtatious partnership that dissolved when Effigy lost patience with her lecturing on how to defeat Green Lantern. After Green Lantern buried them both under a mountain of snow, Effigy escaped and abandoned her to be apprehended again.
In the Superman/Batman "Public Enemies" arc, Killer Frost was one of many supervillains seeking to earn a $1 billion reward offered by President Lex Luthor to sanction Superman and Batman. She teamed with Mister Freeze, Icicle (Cameron Mahkent) and Captain Cold in an attempt to ambush the two heroes in Washington D.C., but all four were defeated. They attacked in a second wave, along with more villains such as Giganta and Gorilla Grodd, but a similar backup of superheroes battered them all into submission. It was later discovered that this ice-themed team of villains was being mind controlled by Grodd.
Dr. Light hired Killer Frost and Mirror Master to attack Green Arrow and Black Lightning at a hospital in Chicago, Illinois, where Kimiyo Hoshi was being held. Green Arrow stopped Killer Frost by firing an arrow filled with Greek fire into her thigh. Unable to absorb the heat from the arrow, she was defeated.
Around this time, Lincoln discovered that she had contracted cancer, and tricked Jason Rusch, the new Firestorm, into curing her. With her health and powers restored, Killer Frost went on a rampage, only to be defeated when Jason's abilities reversed the alterations to Lincoln's body, returning her cancer.
Killer Frost returned during the events of One Year Later, where she had apparently entered into a relationship with Mr. Freeze. Together, the two villains went on a killing spree in Manhattan, hoping to draw Firestorm into an elaborate trap. Once the hero arrived, Killer Frost used a device to send both of them into space, where she sought to absorb the heat energy of the sun. Firestorm narrowly managed to stop her plan, and both Killer Frost and Mister Freeze were taken into custody by Batman. As they were being sent away, Killer Frost angrily revealed to Mister Freeze that she had only been using her lover as a pawn, and had no romantic interest.
Killer Frost was later seen battling Firestorm in the Justice League of America Wedding Special until Lex Luthor, Joker and Cheetah arrived, subdued Firestorm, and invited Killer Frost to join the new Injustice League. She then appeared in Salvation Run, where she was sent to the Prison Planet after having been defeated and captured by the Suicide Squad.
In DC Universe #0, she was seen as a member of Libra's Secret Society of Super Villains. She is later seen as one of the villains sent to retrieve the Get Out of Hell Free card from the Secret Six, and ultimately helped deal the killing blow to the crazed supervillain Junior and the troubled vigilante Tarantula. A short time after this encounter with the Secret Six, Killer Frost appeared as one of the participants in a metahuman fighting tournament in Tokyo. She was defeated by Wonder Woman and Black Canary who had disguised themselves as villains in order to take down the tournament from the inside.
The "DC Rebirth" version of Louise Lincoln debuts in the "Watchmen" sequel "Doomsday Clock." While Firestorm considers "The Superman Theory" as a hoax, Killer Frost claims that Captain Atom, Firehawk, Moonbow, and Typhoon are the government's creations.
In September 2011, The New 52 rebooted DC's continuity; Killer Frost is reintroduced in September 2013, as the "Villains Month" part of the Forever Evil – she was featured in the one-shot Justice League of America #7.2, also titled Killer Frost #1. She can also be seen on the cover of Forever Evil #1, which hints at her involvement in that series where she's revealed to be Dr. Caitlin Snow, a scientist sent to S.T.A.R. Labs Outpost #72 in the Arctic to work on a thermodynamic engine whose creator had committed suicide. Snow soon discovered the place had been infiltrated by H.I.V.E. agents. When they tried to kill her inside the engine, Snow frantically ripped off the coolant system, merging her body with ice. Transformed into a heat vampire, she killed the H.I.V.E. agents out of revenge. She then wandered out into the cold until she came across a Norwegian camp and took their heat too. Hijacking a helicopter, she made it back to her hometown Pittsburgh. She even created a suit that helped her retain heat for longer. She later encountered the superhero Firestorm and discovered that his powers could temporarily heal her mutation. She tried recreating the Firestorm Nuclear Matrix several times, only to fail with each attempt. When Firestorm and the Justice League were declared dead by the Crime Syndicate, she lost hope for a cure to her condition.
Killer Frost later has a scientist named Byte track down Martin Stein, the original creator of the Firestorm Matrix, to his secluded cabin while he had gone into hiding during the Crime Syndicate's takeover of Earth. She encountered Steve Trevor who was sent there on a mission to try to find the Justice League who were imprisoned inside Firestorm. Learning he was alive, Snow allied herself with the two men to find them. Soon they were attacked by supervillains Multiplex, Black Bison, Hyena, Tempest and Plastique for betraying the Syndicate. While fighting them off, Stein, Trevor and Frost teleported to another A.R.G.U.S. base, where they learned that to free the Justice League, they needed Wonder Woman's Lasso of Truth. Discovering Cheetah was keeping it as a trophy, they found her and her Menagerie, but were subdued. Doctor Light (Arthur Light) suddenly appeared and blasted everyone except Frost and Trevor unconscious. After defeating him, they managed to deliver the Lasso of Truth to Cyborg who successfully used it to free his teammates.
In DC Rebirth, Caitlin Snow is taken to Belle Reve Penitentiary, where she is introduced to the Suicide Squad and offered a place on the team by Amanda Waller. She accepts and joins the team. She helps the Suicide Squad in their fight against the Justice League, but subsequently assists them against Maxwell Lord when he is possessed by Eclipso, whose attempt to tap into her "darkest desire" only unlocks her desire to make a difference. Afterwards, Waller is forced to release Snow into Batman's custody. She then joined the new Justice League of America made up of Batman, the Atom, Lobo, Black Canary, Vixen and the Ray.
All versions have shown the ability to absorb heat from external sources and transmute it into waves of cold. Using these powers, Killer Frost can create an ice-sheen across her entire body that grants her increased durability, cause intense blizzards that can instantly freeze the target and generate objects composed completely of ice, such as projectiles in the form of ice shards and defensive walls or shields. She can also instantly freeze animate matter through physical contact and is unable to touch a normal person without freezing them.
Her weakness is the need to absorb external heat sources to generate ice: although heat-based weapons such as flamethrowers only make her stronger, she can be imprisoned in cold surroundings such as being locked in a refrigeration truck or buried under a mountain of snow. The Caitlin Snow version of Killer Frost is constantly plagued by a hunger for heat, which can only be sated by absorbing the heat from a living being, a process which inevitably kills the victim. However, in recent stories she seems to have finally gotten it under control by only absorbing a tiny amount of heat from every person she touches, sparing them and leaving them otherwise unharmed. The Caitlin Snow and Louise Lincoln versions of the character have, albeit inconsistently, demonstrated the ability to fly, either by riding Arctic winds or through an unknown manner of self-propulsion.
While the exact limits of her abilities have yet to be established, how much power Frost can channel at once seems to depend on how much heat she has absorbed and stored in her body. For example, when she absorbed all the heat from Superman (whose body is supercharged by yellow solar energy) during a stand-off between the Justice League and the Suicide Squad, she was able to flash-freeze the entire League in a single blast.
It also seems that using up all the heat energy she has stored can put Frost's life in danger. If she does not feed in time, she even risks dying of "starvation".
The Caitlin Snow version also boasts a genius-level intellect, being S.T.A.R. Labs' youngest and brightest scientist prior to her transformation. She could solve complex equations easily, operate heavy energy generating machinery and appeared particularly skilled in the field of physics and research about energy. She once managed to create an ice prism with her powers that converted Superman's heat vision into a bright burst of sunlight to defeat Eclipso.
Several adaptations of the villain have also depicted the Crystal Frost and Louise Lincoln incarnations as having basic skills in melee combat which they use in conjunction with their powers as well as impressive agility, being able to perform maneuvers such as leaps or cartwheels with ease.
Killer Frost appears in the DC Bombshells continuity, which takes place during World War II. She serves Hugo Strange of the Nazi Regime alongside Penguin and a brainwashed Harvey Dent (who is eventually rescued by the Batgirls). While Penguin is in love with her, it's unknown if she truly reciprocates the same feeling. This version is Louise L'inconnue, who is of French and German descent. In 1870, her mother is killed by angry villagers for conceiving a child with a German man and was thrown into an ice-cold well to die with her child. Louise emerges from the well with blue skin and freezes all the villagers to death. She is later adopted by the Joker's Daughter, who trained her in magic and controlling her powers (while also giving her the chance to kill her father). After clashing with Baroness Paula Von Gunther, she expresses her desire to have the world filled with superhumans like her.
Killer Frost appeared in the DC Super Hero Girls by the name of "Frost". In the series, she is shown to be a superhero, instead of a supervillain. She has her own separate bio with her powers and personality listed. She is shown to be very smart too. There she lives with Lady Shiva, Miss Martian and Star Sapphire. She has her own bedroom with: a nightstand, a king sized bed, a desk and other decorations. Her appearance is also different: she has long hair made into a ponytail. She has blue eyes, white skin and all of her outfits have something to do with ice and snow.
Killer Frost made an appearance in the comic book prequel to Injustice: Gods Among Us.
Danielle Panabaker portrays Dr. Caitlin Snow/Killer Frost, a series regular on The Flash TV series, set within The CW's Arrowverse family of related shows. Her character also makes occasional guest appearances on Arrow (where she debuted), Legends of Tomorrow and Supergirl. In The Flash, she is a part of the Central City-based S.T.A.R. Labs team alongside Cisco Ramon/Vibe and Harrison Wells which supports Barry Allen/The Flash and has a friendship with Iris West.
In season one, she struggles with her fiancé Ronnie Raymond's death in the particle accelerator blast which created various meta-humans, but later discovers Ronnie survived as part of the fire-based superhero Firestorm. Caitlin and Ronnie later marry but shortly thereafter Ronnie, while helping the Flash, disappears into a destructive singularity over Central City. During season two, Caitlin grieves for Ronnie, but grows closer to Hunter Zolomon (disguised as Jay Garrick). She then develops the Velocity serum with Harry Wells to cure Hunter's revealed illness, before the revelation that the so-called Flash of Earth-2 is in fact the evil Earth-2 speedster Zoom. She also meets her Earth-2 doppelganger, the ice-based supervillain Killer Frost who is later killed by Zoom, and wonders what this means for her own capacity to do evil.
Caitlin experiences timeline changes in season three. After the original timeline is restored with subtle variations, Caitlin is shown to have cryokinetic abilities which she is keeping secret from the team, and also develops a second villainous personality. She also develops a relationship with Julian Albert. Caitlin is advised by her mother Dr. Carla Tannhauser to not to use her powers or her transformations will become irreversible. Catlin's abilities fully manifest when Julian takes a power-suppressing necklace off so her healing abilities could save her, triggering her Killer Frost transformation. Acting as Savitar's personal enforcer, Killer Frost battles Team Flash alongside him. After a fight with Vibe, she turns against Savitar after being given a cure developed by Julian. She defends her former teammates from Savitar, rather than allow them to be killed. After Savitar's defeat, she tells the others that she is not yet ready to return, leaving to rediscover herself.
In season four, Caitlin and Killer Frost are like Jekyll and Hyde. She works at a bar that has some underworld connections until Cisco asks her to help get Barry back, and she agrees. Caitlin eventually comes to terms with her dual personalities, giving her the ability to switch between her two personas at will as well as the Killer Frost persona showing a more heroic side as she agrees to use her powers to help. In the crossover "Crisis on Earth X", Killer Frost joins forces with the rest of the heroes against the Nazis of Earth-X. Eventually Caitlin learns that Killer Frost was already a part of her as a child, therefore she did not get her powers from the particle accelerator explosion. In season five, Caitlin discovers her father is alive, but has developed a split personality called Icicle.
Blue Snowman (also known as The Snowman, real name Byrna Brilyant) is a supervillain in the DC Comics Universe who appears primarily as an enemy of Wonder Woman. Blue Snowman is a woman disguised as a man who uses the invention of "blue snow," a special form of precipitation that freezes everything it touches. She is also notable as being a member of the original Villainy Inc.Bolt (DC Comics)
Bolt is a fictional character and supervillain in the DC Comics Universe.Copperhead (DC Comics)
Copperhead is the name of different characters in DC Comics.Danielle Panabaker
Danielle Nicole Panabaker (born September 19, 1987) is an American actress. She began acting as a teenager and came to prominence for her roles in the Disney films Stuck in the Suburbs (2004), Sky High (2005) and Read It and Weep (2006), the latter alongside her younger sister Kay Panabaker, and in the HBO miniseries Empire Falls (2005). She won three Young Artist Awards: for guest-starring in an episode of the legal drama television series The Guardian (2004), for her lead role in the TV film Searching for David's Heart (2005) and for her ensemble performance in the family comedy film Yours, Mine & Ours (2005).
She came to wider attention as a cast member alongside James Woods in the CBS legal drama series Shark (2006–08) and is also noted as a scream queen, having starred in the psychological thriller Mr. Brooks (2007) and the horror films Friday the 13th (2009), The Crazies (2010), John Carpenter's The Ward (2010) and Piranha 3DD (2012).
After recurring roles on the drama series Necessary Roughness (2011–13), the crime series Bones (2012–13) and the crime drama Justified (2014), Panabaker guest-starred as Dr. Caitlin Snow on The CW television series Arrow in April 2014. The character was spun off into the main cast of The Flash which premiered that October, and in season two, Panabaker began playing the character's alter ego Killer Frost in different capacities in conjunction with her role as Snow. The role has led to subsequent guest appearances on Arrow and other Arrowverse series Supergirl and Legends of Tomorrow.Effigy (DC Comics)
Effigy is a DC Comics supervillain who fought against Green Lantern Kyle Rayner using flame powers he gained from the Controllers.Icicle (comics)
Icicle is the name of two fictional supervillains appearing in comic books published by DC Comics: Joar Mahkent and Cameron Mahkent (father and son; to differentiate between the two, the suffixes, Senior and Junior, are used).
A version of the character appeared in the fifth season of The Flash, played by actor Kyle Secor. This version is Thomas Snow who is the father of Caitlin Snow.Itztlacoliuhqui
In Aztec mythology, Itztlacoliuhqui is the god of frost. He also represents matter in its lifeless state.
The Nahuatl name Itztlacoliuhqui is usually translated into English as "Curved Obsidian Blade". J. Richard Andrews contends that this is a mistranslation, and that the correct interpretation is "Everything Has Become Bent by Means of Coldness", or "Plant-Killer-Frost".In the Aztec calendar, Itztlacoliuhqui is the lord of the thirteen days from 1 Lizard to 13 Vulture. The preceding thirteen days are ruled over by Patecatl, and the following thirteen by Tlazolteotl.
The creation of this god appeared in the Aztec myth of creation. Tonatiuh, the Sun god, demanded obedience and sacrifice from the other gods before he will move. Enraged at his arrogance, the god of dawn and the planet Venus, Tlahuizcalpantecuhtli, shoots an arrow at the Sun. However, the dart misses its mark, and the Sun throws his own back at the morning star, piercing the Lord of Dawn through the head. At this moment, Tlahuizcalpantecuhtli is transformed into the god of obsidian stone and coldness, Itztlacoliuhqui.
Itztlacoliuhqui is a part of a holy trinity of birth, life, and death. He takes the place of death in this particular trinity. Birth is taken by Tezcatlipoca and life by Itzpapalotl, Itztlacoliuhqui's female counterpart.
Itztlacoliuhqui's iconography depicts a straw broom (tlachpānōni) in his hand, symbolizing the function of this wintry death deity as the cleaner of the way for new life to emerge thereafter.Killer Frost (The Flash episode)
"Killer Frost" is the seventh episode of the third season of The CW television series The Flash. The episode was written by Andrew Kreisberg and Brooke Roberts, with a story by Judalina Neira and directed by Kevin Smith. It was first broadcast on November 22, 2016 on The CW. The show is itself a spin-off of the show Arrow, where many characters in the series were introduced during the second season. The episode revolves around Caitlin Snow (Danielle Panabaker) slowly losing control of her Killer Frost persona after using her powers to save Barry from Savitar. In an attempt to get rid of her powers, Killer Frost kidnaps Julian to help her find Savitar and is forced to battle both Barry and Cisco.
The episode received highly positive reviews, with critics praising Panabaker's performance and the team dynamic.Killer Frost (disambiguation)
Killer Frost is a fictional character in DC Comics.
Killer Frost may also refer to:
"Killer Frost" (The Flash episode), a 2016 episode of The Flash
Killer Frost (Arrowverse), the title character of the episodeList of Suicide Squad members
The Suicide Squad's roster has always been one of reformed and/or incarcerated felons promised commuted sentences in return for participation in high-risk missions. The Squad's lineup has changed many times over the years, since its creation in 1959, and this list groups membership by the team's various eras and incarnations. Bolded names indicate current Suicide Squad members.
First appearance is the issue where the character first appeared as a member of a particular Suicide Squad incarnation. It is not necessarily the first appearance of the character in print, nor the story depicting how the character joined the Squad. The Squad was made up by five members.List of The Flash characters
The Flash is an American television series developed by Greg Berlanti, Andrew Kreisberg and Geoff Johns, based on the DC Comics character the Flash. The series premiered on The CW television network in the United States on October 7, 2014, and is currently in its fifth season. The series is a spin-off from Arrow, a show set in the same fictional universe.
The first season follows police forensic investigator Barry Allen (Grant Gustin), who develops super-speed after he is struck by lightning. He is assisted by S.T.A.R. Labs' Dr. Caitlin Snow (Danielle Panabaker), Cisco Ramon (Carlos Valdes), and Dr. Harrison Wells (Tom Cavanagh) in his attempts to use his powers for good and solve the murder of his mother by a superhuman attacker. The murder investigation unjustly imprisoned his father (John Wesley Shipp), leaving detective Joe West (Jesse L. Martin), father of his best friend, Iris (Candice Patton), to take in the young Barry. The memory of his mother's murder and his father's framing later motivates Barry to put his personal needs aside and use his powers to fight against those who hurt the innocent, thus, shaping him into the Flash.
The following is a list of characters who have appeared in the television series. Many of the characters appearing in the series are based on DC Comics characters.Minister Blizzard
Minister Blizzard is a fictional ice-powered villain who has battled Wonder Woman.Suicide Squad
The Suicide Squad is the name of a fictional supervillain team appearing in American comic books published by DC Comics. The first version of the Suicide Squad debuted in The Brave and the Bold #25 (September 1959) and the second and modern version, created by John Ostrander, debuted in Legends #3 (January 1987). One of the two teams saves the world from a threatening race of savages.
The modern incarnation of the Suicide Squad is Task Force X—a team of incarcerated supervillains who carry out secret missions in exchange for reduced prison sentences. The Suicide Squad's name alludes to the dangerous nature of their missions. The team is based out of Belle Reve Penitentiary under the directorship of Amanda Waller.
Various incarnations of the Suicide Squad have existed throughout the years as depicted in several self-titled comic book series, from its origins in the Silver Age, to its modern-day Post-Crisis reimagining, to the current version that was introduced in the 2016 DC Rebirth continuity reboot. The current incarnation of the team appears in the fifth volume of the Suicide Squad comic series, and the recurring members include Captain Boomerang, Deadshot, Enchantress, Harley Quinn, Katana and Killer Croc.
The group has appeared in various adaptations, including television series and an eponymous 2016 feature film.The Flash (season 3)
The third season of the American television series The Flash, which is based on the DC Comics character Barry Allen / Flash, a costumed superhero crime-fighter with the power to move at superhuman speeds, follows Barry, a crime scene investigator who gains super-human speed, which he uses to fight criminals, including others who have also gained superhuman abilities. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow. The season was produced by Berlanti Productions, Warner Bros. Television, and DC Entertainment, with Andrew Kreisberg, Aaron and Todd Helbing serving as showrunners.
The season was ordered in March 2016, and production began that July, lasting until April 2017. Alongside Grant Gustin, who reprises his role as Barry Allen, principal cast members Candice Patton, Danielle Panabaker, Carlos Valdes, Tom Cavanagh, Jesse L. Martin, and Keiynan Lonsdale return from the second season.
The first episode of the season premiered on The CW on October 4, 2016, and was watched by 3.17 million people, with the season consisting of 23 episodes. The series was renewed for a fourth season on January 8, 2017.The Flash (season 5)
The fifth season of the American television series The Flash, which is based on the DC Comics character Barry Allen / Flash, premiered on The CW on October 9, 2018, and concluded on May 14, 2019, with a total of 22 episodes. The season follows Barry, a crime scene investigator with superhuman speed who fights criminals, including others who have also gained superhuman abilities, as he deals with the consequences of his future daughter's time traveling. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow. The season was produced by Berlanti Productions, Warner Bros. Television, and DC Entertainment, with Todd Helbing serving as showrunner.
The season was ordered in April 2018, and production began that July. Grant Gustin stars as Barry, with principal cast members Candice Patton, Danielle Panabaker, Carlos Valdes, Tom Cavanagh, and Jesse L. Martin also returning from previous seasons, while Hartley Sawyer, Danielle Nicolet, and Jessica Parker Kennedy were promoted to series regulars from their recurring status in season four. They are joined by new cast member Chris Klein.Weasel (DC Comics)
Weasel is the name of 2 DC Comics supervillains.Welcome to Earth-2
"Welcome to Earth-2" is the thirteenth episode, and first part of a two-part story arc, of the second season of the American television series The Flash, based on the DC Comics character Barry Allen / Flash, a crime scene investigator who gains super-human speed, which he uses to fight criminals, including others who have also gained superhuman abilities. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow. The episode was written by Katherine Walczak from a story by Greg Berlanti and Andrew Kreisberg, and directed by Millicent Shelton.
Grant Gustin stars as Barry, and is joined by principal cast members Candice Patton, Danielle Panabaker, Carlos Valdes, Keiynan Lonsdale, Tom Cavanagh, and Jesse L. Martin. The episode sees Barry, Cisco Ramon and Harry Wells travel to the parallel universe Earth-2 to rescue Harry's daughter Jesse from Zoom, while back on Earth-1, Jay Garrick takes over Barry's crime fighting duties when the metahuman Geomancer attacks Central City. The episode sees the majority of main cast members also playing their Earth-2 doppelgängers.
"Welcome to Earth-2" originally aired on The CW on February 9, 2016, and according to Nielsen Media Research, was watched by 3.96 million viewers, the show's largest viewership since February 2015. It was the series' highest rating in the 18–34 demographic since its premiere and highest 18–49 rating since the crossover "Flash vs. Arrow". The episode received an overwhelmingly positive critical response, and many critics called it the best episode of the series to that point. The arc established in this episode concluded with the following episode, "Escape from Earth-2".
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