OK K.O.! Invasion of the Smurfs

'OK. K.O.! Invasion of the Smurfs' is a 2026 direct-to-video film which is a crossover between ''O.K. KO! Let's Be Heroes and The Smurfs''. It was released on August 21, 2026.

Summary
Evil Wizard Gargamel has plagued the happy, peaceful Smurfs for a very long time. Finally, he succeeds in chasing the little blue people from their village and through the magic portal once again -- which transport them to the world of heroes and villains and into the life of the 3 legendary heroes K.O., Enid, and Radicles and they became friends with them, and K.O. and his Friends promised to protect them and help them find a way back to their world before their evil arch-nemesis, Gargamel tracks them down.

Voice Cast

 * Courtenay Taylor as K.O.
 * Ashly Burch as Enid/Ms. Mummy
 * Ian Jones-Quartey as Radicles/Darrell/Crinkly Wrinkly
 * Melissa Fahn as Dandy
 * Dave Herman as Mr. Gar/Jethro/Brandon
 * Kate Flannery as Carol
 * Jim Cummings as Lord Boxman
 * Steve Ogg as Professor Venomous
 * Lara Jill Miller as Fink
 * Kari Wahlgren as Shannon
 * Robbie Daymond as Raymond
 * Chris Niosi as Ernesto
 * Kali Hawk as Red Action
 * Ben Jones as A Real Magic Skeleton
 * Melissa Villaseñor as Punching Judy/Potato/Drupe/Mega Football Baby
 * Andrés du Bouchet as Joe Cuppa
 * Cole Sanchez as Colewort
 * Demi Lovato as Smurfette
 * Rainn Wilson as Gargamel
 * Mandy Patinkin as Papa Smurf
 * Joe Manganiello as Hefty Smurf
 * Jack McBrayer as Clumsy Smurf
 * Danny Pudi as Brainy Smurf
 * Julia Roberts as Smurfwillow,
 * Michelle Rodriguez as Smurfstorm
 * Ellie Kemper as Smurfblossom
 * Ariel Winter as Smurflily
 * Meghan Trainor as Smurfmelody
 * Jake Johnson as Grouchy Smurf
 * Gordon Ramsay as Baker Smurf
 * Tituss Burgess as Vanity Smurf
 * Gabriel Iglesias as Jokey Smurf
 * Jeff Dunham as Farmer Smurf
 * Kelly Asbury as Nosey Smurf

Soundtrack

 * 1) "Let's See What I Can Do" - Meghan Trainor
 * 2) "I'm a Lady" - Meghan Trainor

Trivia

 * Some scenes are references to the '2011' film "The Smurfs".