OK K.O.! Let's Ruff Ruff Ruff!

'OK K.O.! Let's Ruff Ruff Ruff! 'is a 2037 American animated superhero comedy film based on the Cartoon Network animated television series OK K.O.! Let's Be Heroes.

Plot
K.O. uses Dendy's new machine to transport himself into a different dimension, but he transports himself and his friends to a world where humans are animals. Things get nasty when the humanized Thomas the Tank Engine and TUGS characters come along.

Cast

 * Courtney Taylor as K.O.
 * Ian Jones-Quartey as Radicles, Darrell, Crinkly Wrinkly
 * Ashly Burch as Enid
 * David Herman as Mr. Gar, Brandon, Beardo, Jethro, Beardo
 * Melissa Fahn as Dendy
 * Kate Flannery as Carol
 * Jim Cummings as Lord Boxman
 * Steven Ogg as Professor Venomous
 * Lara Jill Miller as Fink
 * Kari Wahlgren as Shannon
 * Robbie Daymond as Raymond
 * Chris Niosi as Ernesto
 * Melissa Villaseñor as Punching Judy, Drupe
 * Kali Hawk as Red Action
 * Ben Jones as A Real Magic Skeleton
 * Andrés du Bouchet as Joe Cuppa
 * Cole Sanchez as Colewort

Trivia

 * This is the first animated film to have OK K.O.! Let's Be Heroes characters as animals in a different universe while Thomas and TUGS characters are humanized.