Season
- Season 3 2005-09-01
- Season 2 2005-07-29
- Season 1 2005-06-23
Episode
- Episode 1: Down to Under
- Episode 2: Ex Princess in a Tree
- Episode 3: In Near Under and Out the Other
- Episode 4: The Self-Moblilating Gizmet
- Episode 5: Never Be Nice to a Pudric
- Episode 6: Blame It on the Moon
- Episode 7: Pollen Holiday
- Episode 8: Very Big Faces
- Episode 9: Down in the Dark with the Yu-Yu's
- Episode 10: Roughing It's Not that Hard
- Episode 11: It's All in How You Play
- Episode 12: No Cape, No Hero
- Episode 13: The Pirates of Hole Island
- Episode 14: Monsteritis
- Episode 15: The Scottish Dog and the Everything Log
- Episode 16: Blizzard in a Box
- Episode 17: The Tower of Derision
- Episode 18: Brain Jam
- Episode 19: A Boy's Best Friend's Enemy
- Episode 20: Auntie Gravity
- Episode 21: Pilfs Did It!
- Episode 22: Not Necessarily Russell
- Episode 23: Luck be a Birdie
- Episode 24: Ancient Air
- Episode 25: Feed a Cold
- Episode 26: The Accordion of Doom
King Season 1
When the Wright family moves into their new home, Russel is surprised to find a secret passage under his bed. This passage leads him and his dog Gus to the world of Under, where he discovers he is the new King and that Gus can talk! Russel and Gus quickly befriend the people and creatures of this mysterious land. Bob Wire and his evil team are continually conspiring to steal Russel's crown and become all-powerful rulers of the land.
