"The Mascot Upshot" is the second segment of the fifty-ninth episode of Big Hero 6: The Series. It premiered on February 15, 2021 alongside "Krei-oke Night", and is the second segment of the tenth episode in the third season as well as the series finale.
When the mascots decide to add a new member to their family, Hiro sees an opportunity to defeat them once and for all.
- Ryan Potter as Hiro Hamada
- Scott Adsit as Baymax
- Jamie Chung as Go Go Tomago
- Génesis Rodríguez as Honey Lemon
- Khary Payton as Wasabi
- Brooks Wheelan as Fred
- John Michael Higgins as Mini-Max
- Naoko Mori as Momakase
- Lucas Neff as Noodle Burger Boy
- Maya Rudolph as Aunt Cass
- Nicole Sullivan as Hangry Panda
- Cree Summer as Crushroom
- Kari Wahlgren as Hyper-Potamus
- For some reason, this segment was initially listed first with "Krei-oke Night" listed second.
- Momakase fulfills her promise of helping Hiro out after he helped her in "Hiro the Villain".
- Noodle Burger Boy and his family now work for Aunt Cass whom they affectionately refer to as "mom".
- Obake chips are removed for good.
- This episode along with Krei-oke Night is the series finale of Big Hero 6: The Series.