Momakase blackmails Hiro into helping her steal her family's knives from Yama's safe.

Megan confronts Hiro about being a vigilante and threatens to tell Chief Cruz the truth.

Professor Granville becomes increasingly pushy with Big Hero 6 as she helps them figure out a mysterious series of food-related burglaries.

Big Hero 6 must stop a secret underground racing league.

Big Hero 6 attempts to thwart a bank robbery and encounter Supersonic Sue, an old school roller skating villain.

Upon discovering Baymax’s ability to detect if a person is lying, Hiro attempts to use him to uncover proof of deceit.

Hiro and Fred enlist Karmi to find out what happened to Orso Knox, the man who was mysteriously turned into a monster.

Honey Lemon sets out to make Globby human again.

When Hiro and Go Go accompany Krei to the woods to deal with Nedd Ludd, they run into The Hibagon, a legendary monster.

Hiro’s jealousy of Karmi’s internship at Sycorax leads him to intern at Krei Tech.

When Aunt Cass sets Hiro up on a date, he begins to wonder if he’s missing out on being a regular kid.

Big Hero 6 must continue to fight off a city overrun with monsters.

Mayoi, mysterious yet adorable creatures, begin to appear in San Fransokyo.

Karmi and Hiro team up to help treat someone with genetically engineered parasites.

Fred's invisibility function on his suit glitches during patrol.

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.

A low-charged Baymax and Mini-Max join forces with Noodle Burger Boy to save Big Hero 6.

A new villain, Major Blast, appears in the city and targets Fred.

Hiro switches Baymax’s chip with Mini-Max’s so that Baymax can rescue Mochi.

Evil villain Hardlight challenges the Big Hero 6 team to a real-life video game duel.

Nega-Globby takes control of Globby’s body to cause chaos around the city.

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.

Hiro and a short-handed Big Hero 6 team attempt to stop Noodle Burger Boy and his new family.

Hiro enlists the help of the team when Granville’s three dogs go missing while under his watch.

Karmi and Hiro team up to help treat someone with genetically engineered parasites.