The hunt is on for Dr. Emilia, and friends start to vanish. It'll take teamwork to make Kipo's dream of a Human Mute Ultimate Friendship Alliance work.

Cast: Karen Fukuhara, Sydney Mikayla, Deon Cole, Coy Stewart, Dee Bradley Baker, Steve Blum, Sterling K. Brown, Lea DeLaria, Juliet Donenfeld, Jake Green, Grey Griffin, John Hodgman, John Lavelle, Guy Lockard, Matt Lowe