Winter is coming to San Fransokyo. Hiro, Baymax, and the gang must team up with Elsa, Anna, Kristoff, Olaf, and Sven. A new villian seeks to take over Arendelle with the help of a certain former villian. Can they stop this new villian? Will Arendelle freeze over again? Will Fred go crazy with Elsa's powers? Find out.
Rated: K - English - Family/Friendship - Chapters: 10 - Words: 9,374 - Reviews: 36 - Favs: 21 - Follows: 23 - Updated: 10/4/2015 - Published: 3/23/2015 - Anna, Elsa, Fred, Hiro Hamada - Complete