Matt Smith

When Melvin tries to cancel Halloween, clever best friends Harold and George create their own spooky holiday -- and it's a huge success!

Christmas gets weird — really weird — after George and Harold go back in time to change up a few of their beloved holiday's traditions.

In this interactive special, Harold and George need your decision-making skills to stop Krupp from blowing their beloved treehouse to smithereens.

The world's smartest dog and his boy host a zany late-night comedy show from a swanky penthouse, with time-traveling historical figures and a live audience.

Fourth-grade friends George and Harold have a shared love of pranks and comic books -- and turning their principal into an undies-wearing superhero.

Handy and inventive pup Tag chases adventure with her best pal, Scooch, solving problems and helping the citizens of Pawston along the way.

Two very different families join forces to create a new community, an us-against-the-world, cave person co-op on the most amazing farm in the history of prehistory!

Best friends George and Harold — along with their classmates and tyrannical principal — are recruited for a mysterious mission in outer space.

Have no fear, “Underdog” gives the classic Underdog characters a contemporary twist and introduces the world to a brand new pack of canine superheroes: the Canine Crusaders !