Hiro Hamada and Flint Lockwood in Zombie Madness

Hiro Hamada and Flint Lockwood in Zombie Madness is a Halloween crossover TV special.

Summary
The King and Queen of Arendelle and Tadashi Hamada suddenly turn into zombies after an acident involving one of Gru's machiners, Hiro and Flint and his friends are going to the WABAC machine to stop the accident from happening.

Plot
At Gru's house, some crossover friends were ready to throw a Halloween dance party by creating decorations in the house.

Voice Cast

 * Ryan Potter as Hiro Hamada
 * Scott Adsit as Baymax
 * T. J. Miller as Fred
 * Jamie Chung as GoGo Tomago
 * Damon Wayans, Jr. as Wasabi
 * Génesis Rodríguez as Honey Lemon
 * Maya Rudolph as Cass Hamada
 * Daniel Henney as Tadashi Hamada
 * John C. Reilly as Wreck-It Ralph
 * Sarah Silverman as Vanellope von Schweetz
 * Jack McBrayer as Fix-It Felix, Jr.
 * Jane Lynch as Sergeant Tamora Jean Calhoun
 * Mandy Moore as Rapunzel
 * Zachary Levi as Flynn Rider/Eugene Fitzherbert
 * Kristen Bell as Anna
 * Idina Menzel as Elsa
 * Jonathan Groff as Kristoff
 * Josh Gad as Olaf
 * Santino Fontana as Hans
 * Alan Tudyk as The Duke of Weselton
 * Maurice LaMarche as The King of Arendelle
 * Jennifer Lee as The Queen of Arendelle
 * Steve Carell as Felonious Gru
 * Kristen Wiig as Lucy Wilde
 * Miranda Cosgrove as Margo
 * Dana Gaier as Edith
 * Elsie Fisher as Agnes
 * Russell Brand as Dr. Nefário
 * Steve Coogan as Silas Ramsbottom
 * Pierre Coffin and Chris Renaud as The Minions
 * Amanda Seyfried as Mary Katherine
 * Josh Hutcherson as Nod
 * Colin Farrell as Ronin
 * Beyoncé Knowles as Queen Tara
 * Ty Burrell as Mr. Peabody
 * Max Charles as Sherman
 * Ariel Winter as Penny Peterson
 * Bill Hader as Flint Lockwood
 * Anna Faris as Samantha "Sam" Sparks
 * James Caan as Tim Lockwood
 * Andy Samberg as Brent McHale
 * Neil Patrick Harris as Steve the Monkey
 * Benjamin Bratt as Manny
 * Terry Crews as Officer Earl Devereaux
 * Kristen Schaal as Barb
 * Kelly Macdonald as Merida
 * Emma Thompson as Queen Elinor
 * Billy Connolly as King Fergus
 * Julie Walters as The Witch
 * Chris Pratt as Emmet Brickowski
 * Will Ferrell as Lord Business
 * Elizabeth Banks as Wyldstyle/Lucy
 * Will Arnett as Bruce Wayne/Batman
 * Nick Offerman as Metal Beard
 * Alison Brie as Princess Unikitty
 * Charlie Day as Benny
 * Daveigh Chase as Chihiro
 * Jason Marsden as Haku
 * Susan Egan as Lin
 * Liam Neeson as Bad Cop/Good Cop
 * Morgan Freeman as Ghost Vitruvius