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"Prey Date" is the twenty-seventh episode of Big Hero 6: The Series. It premiered on May 8, 2019 and is the third episode in the second season.


At Frederickson Manor, Fred and Hiro are playing video games when suddenly they hear Fred's mother screaming. They run to investigate, only for it to just be her screaming for joy at a cute puppy video. Liv Amara is there too, and Mrs. Fredeickson is looking to invest in Sycorax. She also asks about Liv's progress on curing Orso Knox. Liv says they are two to three weeks from a breakthrough, which relieves Mrs. Fredeickson. However, it makes Hiro suspicious. He decides to investigate this further, finding out that this is the exact same thing she said on an interview two months ago. Hiro, Baymax, and Fred visit Karmi at Sycorax, and convince (manipulate) her into finding out about Orso. She does not get a chance to ask why, especially when Fred accidentally destroys a bunch of virus cultures.

Karmi tries to find info on Orso in the company's database, but the folder the information is on is locked out. Karmi visits Liv in her office and ask her about the file. Liv responds with that the file is only for her Knox team. Karmi tries to convince Liv about helping but Liv turns her down. Karmi returns to the lobby to find Hiro, Fred, and Baymax waiting. Karmi brings them into her lab to avoid Liv. Hiro de-crypts the Knox File and opens it. They find out he is in Sub-Level nine and that he is experiencing some thing about gene sequences and over-expressions. Karmi says she can fix it but she does not want to risk her internship. Hiro convinces Karmi and they go down to Sub-Level nine, which happens to contain a lot of organs in tubes, along with Orso Knox, who is in a cage. As Karmi starts working on the console, Hiro notices that Knox is not talking like before. Liv, who walks in, says he has becoming less human. Liv is disappointed in Karmi, but when she finds out what she did works she decides to let Karmi keep working on it. Liv leaves for a meeting, but for some reason brings Fred with her. After Liv and Fred leave, the cage for Orso is disabled allowing him to get out.

They try to get out through the elevator, which is now disabled. Hiro notices Orso has escaped his cell, alerting Karmi. They start to search for Orso, and he finds them. Orso causes some damage in the lab while Hiro, Karmi, and Baymax attempt to escape him. Meanwhile, Sycorax goes on lockdown, which cannot be overridden. So, she goes off to gather her team while Fred gather Big Hero 6. Karmi, Hiro, and Baymax run into a room with Orso in hot pursuit. Hiro disables the mechanism and goes with Baymax to trap Orso back into his cell and leaves Karmi in the room by herself. She goes to work on a cure for Orso. Big Hero 6 attempt to get in the building but cannot due to the various chemical properties Titanium has. Meanwhile, Hiro and Baymax find a fridge that contains Orso’s food, which they use to lure Orso into his cell. They almost manage to get Orso into his cell, only for Hiro to step on some meat and alert him. Baymax tries to stop Orso from chasing after Hiro, but fails. He captures Hiro and flees. Meanwhile, Big Hero 6 manage to cut into the titanium wall, only for Orso to break through, with Hiro in tow. Sycorax goes out of lockdown and Liv says they might have to kill Knox. Just then, Karmi shows up, saying she can cure him, only to be shut down by Liv.

Orso is running around the city, causing surprisingly as little damage as possible. Hiro manages to escape Orso’s grasp but falls of a ledge. However, Orso saves him, which makes Hiro realize that he is not trying to hurt people and only was acting out of hunger. Orso proceeds to raid trash cans in the alleyway, only for a cat to come up and scare him. This leads to a chain reaction of traffic jams, leaving Orso to burrow into the subways of San Fransokyo, with Hiro following him. Big Hero 6, suited up in ultra armor, are on the search for Orso. Baymax's scanners are slightly broken but he can find Knox's heat signatures prompting the team to go to the subways. Hiro is already in the subway systems, looking for Orso. The team eventually enter the subways to confront Knox, hearing his roars through the subway tunnels. They encounter Knox and proceed to attack him, Knox mostly just runs through the tunnels not directly hurting anyone. The team manage to incapacitate Knox, only for Hiro to stop them before they severely hurt him. He cautions everyone not to make any sudden moves or loud noises, but with the build-up of dust Wasabi sneezes causing Knox to lash out and start a cave in. A piece of cement begins to fall on Hiro but is stopped by Knox before he passes out. They bring Knox back to Sycorax and successfully cure him. At a press conference, Liv says that Orso has graciously invested in Liv’s future, but after that Liv tells Orso that she can turn him back into a monster any time she wants.



  • When Hiro was asking Karmi about Orso Knox, the Sycorax logo wasn't present on Karmi's lab coat until when Fred destroyed her viruses.


  • This episode confirms that Liv Amara is behind Orso Knox's transformation.
  • Karmi reveals that she does care about Hiro to a certain degree.
  • This episode is the first appearance of the upgraded armor.

International premieres


v - e - d
Big Hero 6 logo
Films and Television: Big Hero 6 (video/soundtrack) • Big Hero 6: The SeriesBig Chibi 6: The ShortsBaymax!

Books: MangaThe Art of Big Hero 6Comic Books
Video Games: Big Hero 6: Battle in the BayBig Hero 6: Bot FightDisney Infinity seriesBig Hero 6: Baymax BlastKingdom Hearts IIIDisney Crossy RoadDisney Emoji BlitzDisney Magic KingdomsDisney Heroes: Battle ModeDisney Sorcerer's Arena

Disney Parks
San Fransokyo SquareThe Happy Ride with BaymaxThe AnnexThe Magic of Disney AnimationPLAY!

Entertainment: Baymax Super Exercise Expo
Fireworks: Happily Ever AfterDisney EnchantmentIlluminate! A Nighttime CelebrationMomentousWonderful World of AnimationDisney in the StarsWondrous Journeys
Parades: Dreaming Up!Disney Harmony in Color! Parade

Original: Hiro HamadaBaymaxTadashi HamadaGo Go TomagoHoney LemonWasabiFredAunt CassRobert Callaghan/YokaiAbigail CallaghanAlistair KreiSergeant GersonMochiYamaMr. FredericksonMrs. FredericksonHeathcliffJudyThe Ringleader

The Series: Professor GranvilleObakeBaron Von SteamerKarmiHigh VoltageRichardson MoleGlobbyFelony CarlMomakaseMad JacksMini-MaxMr. SparklesWendy WowerTrevor TrengroveNoodle Burger BoyLenore ShimamotoTrinaLiv AmaraDi AmaraOrso KnoxMegan CruzChief CruzChrisAC and DCNega-GlobbyMayoiSupersonic SueHardlightRoddy Blair
Baymax!: Kiko TanakaSofiaAliMbitaYukioYachi
Deleted: The Fujitas

Big Hero 6: The Series

Shorts: "Baymax and Fred" • "Baymax and Go Go" • "Baymax and Wasabi" • "Baymax and Hiro" • "Baymax and Mochi" • "Baymax and Honey Lemon" • "Baymax Dreams of Too Many Baymaxes" • "Baymax Dreams of Evil Sheep" • "Baymax Dreams of Bed Bugs" • "Baymax Dreams of Mochizilla" • "Baymax Dreams of Too Many Freds"
Season One: "Baymax Returns" • "Issue 188" • "Big Roommates 2" • "Fred's Bro-Tillion" • "Food Fight" • "Muirahara Woods" • "Failure Mode" • "Aunt Cass Goes Out" • "The Impatient Patient" • "Mr. Sparkles Loses His Sparkle" • "Killer App" • "Small Hiro One" • "Kentucky Kaiju" • "Rivalry Weak" • "Fan Friction" • "Mini-Max" • "Big Hero 7" • "Big Problem" • "Steamer's Revenge" • "The Bot Fighter" • "Obake Yashiki" • "Countdown to Catastrophe"
Season Two: "Internabout" • "Seventh Wheel" • "Prey Date" • "Something's Fishy" • "Nega-Globby" • "The Fate of the Roommates" • "Muira-Horror!" • "Something Fluffy" • "Supersonic Sue" • "Lie Detector" • "Write Turn Here" • "City of Monsters" • "Mini-Maximum Trouble" • "El Fuego" • "The Globby Within" • "Hardlight" • "The Present" • "Hiro the Villain" • "Portal Enemy" • "Fred the Fugitive" • "Major Blast" • "Fear Not" • "Legacies"
Season Three: "The Hyper-Potamus Pizza-Party-Torium" • "Mayor for a Day/The Dog Craze of Summer" • "Trading Chips/Mini Noodle Burger Max" • "A Friendly Face/Big Chibi 6" • "Cobra and Mongoose/Better Off Fred" • "Big Hero Battle/Go Go the Woweroo" • "The New Nega-Globby/De-Based" • "The MiSFIT/Return To Sycorax" • "A Fresh Sparkles/Noodle Burger Ploy" • "Krei-oke Night/The Mascot Upshot"

Baymax!: "Cass" • "Kiko" • "Sofia" • "Mbita" • "Yachi" • "Baymax"

Big Hero 6
San FransokyoLucky Cat CaféSan Fransokyo Institute of TechnologyAkuma IslandFrederickson ManorKrei Tech IndustriesNoodle BurgerObake's LairSycoraxFrederickson Candy Co.
MicrobotsMegabotBaymax's ChipHoney Lemon's Chem-PurseYokai's MaskLittle YamaSilent SparrowSkymaxesLenore Shimamoto's JournalKentucky KaijuEnergy AmplifierGo Go's Cycle
StoryImmortalsWe've Got Dance PowerNoodle SongWe're Gonna Be GoodWe Are 4 2 SingDark MatterWoweroo RapB-A-Y-M-A-XA New AngleHappy SongBa La La La La La La La LaKoo Loo LeeOne Sweet Ride