Picking up immediately following the events in the feature film, these are the continuing adventures and friendship of 14-year-old tech genius Hiro and his compassionate, cutting-edge robot Baymax. As the new prodigy at San Fransokyo Institute of Technology, Hiro now faces daunting academic challenges and the social trials of being the little man on campus. Off campus, the stakes are raised for the high-tech heroes as they must protect their city from an array of scientifically enhanced villains.
Where to watch
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Disney Plus
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Apple TV Store
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Google Play Movies
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Fandango At Home
see all options Availability data: JustWatch
- Seasons
- 3
- Episodes aired
- 65
- Latest aired
- S03E18
- Total runtime
- 23h 10min
Timeline when each season aired
- Season 1 November 2017 – October 2018 22 episodes
- Season 2 May 2019 – January 2020 24 episodes
- Season 3 September 2020 – February 2021 19 episodes
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S02E01 Internabout
May 6 · 24min find the promo
Show synopsis
Hiro’s jealousy of Karmi’s internship at Sycorax leads him to intern at Krei Tech.
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S02E02 Seventh Wheel
May 7 · 24min find the promo
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Professor Granville becomes increasingly pushy with Big Hero 6 as she helps them figure out a mysterious series of food-related burglaries.
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S02E03 Prey Date
May 8 · 24min find the promo
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Hiro and Fred enlist Karmi to find out what happened to Orso Knox, the man who was mysteriously turned into a monster.
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S02E04 Something's Fishy
May 9 · 25min find the promo
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When Aunt Cass sets Hiro up on a date, he begins to wonder if he’s missing out on being a regular kid.
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S02E05 Nega-Globby
May 10 · 25min find the promo
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Honey Lemon sets out to make Globby human again.
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S02E06 The Fate of the Roommates
May 13 · 24min find the promo
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Big Hero 6 must stop a secret underground racing league.
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S02E07 Muira-Horror!
May 14 · 25min find the promo
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When Hiro and Go Go accompany Krei to the woods to deal with Nedd Ludd, they run into The Hibagon, a legendary monster.
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S02E08 Something Fluffy
May 15 · 25min find the promo
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Mayoi, mysterious yet adorable creatures, begin to appear in San Fransokyo.
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S02E09 Supersonic Sue
May 16 · 24min find the promo
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Big Hero 6 attempts to thwart a bank robbery and encounter Supersonic Sue, an old school roller skating villain.
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S02E10 Lie Detector
May 17 · 25min find the promo
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Upon discovering Baymax’s ability to detect if a person is lying, Hiro attempts to use him to uncover proof of deceit.
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S02E11 Write Turn Here
September 3 · 24min find the promo
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Karmi and Hiro team up to help treat someone with genetically engineered parasites.
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S02E12 City of Monsters (1)
September 4 · 25min find the promo
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Karmi and Hiro team up to help treat someone with genetically engineered parasites.
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S02E13 City of Monsters (2)
September 5 · 25min find the promo
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Big Hero 6 must continue to fight off a city overrun with monsters.
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S02E14 Mini-Maximum Trouble
September 6 · 24min find the promo
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When Fred runs into a string of bad luck, Megan reveals to Hiro that she’s trying to uncover the true identities of Big Hero 6 for her school’s newspaper.
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S02E15 El Fuego
September 9 · 24min find the promo
Show synopsis
Professional mech-wrestler El Fuego is intent on becoming the toughest fighter in San Fransokyo and decides he must beat the strongest challenger he can find, Baymax.
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S02E16 The Globby Within
September 10 · 25min find the promo
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Nega-Globby takes control of Globby’s body to cause chaos around the city.
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S02E17 Hardlight
September 11 · 24min find the promo
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Evil villain Hardlight challenges the Big Hero 6 team to a real-life video game duel.
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S02E18 The Present
December 7 · 25min find the promo
Show synopsis
When Hiro finds a wrapped present in the closet, he assumes it's from Aunt Cass and takes it in order to figure out what it is. However, after a mix-up, the present becomes lost and Hiro enlists the Big Hero 6 team to track it down.
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S02E19 Hiro The Villain
January 4 · 25min find the promo
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Momakase blackmails Hiro into helping her steal her family's knives from Yama's safe.
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S02E20 Portal Enemy
January 11 · 24min find the promo
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Megan confronts Hiro about being a vigilante and threatens to tell Chief Cruz the truth.
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S02E21 Fred the Fugitive
January 18 · 24min find the promo
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Fred's invisibility function on his suit glitches during patrol.
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S02E22 Major Blast
January 25 · 24min find the promo
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A new villain, Major Blast, appears in the city and targets Fred.
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S02E23 Fear Not
January 27 · 24min find the promo
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Supersonic Stu busts his grandmother, Supersonic Sue, out of prison.
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S02E24 Legacies
January 28 · 42min find the promo
Show synopsis
Chief Cruz and the police get the upper hand in their battle with both villains and Big Hero 6 when they begin using Buddy Guardians, powerful new robots produced by Krei Tech.