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.
Episode 1
No overview available.
Episode 2
No overview available.
Episode 3
King Russell must liberate Loopy and Gus from the Pet Sanctuary in Near Under.
Episode 4
Vernon makes Russell the very first car in Under.
Episode 5
Russell tries to save Under from the threats of the Night Slythers and the un-blamed Pudric.
Episode 6
Russell and Gus end up on the Moon during Trash Night.
Episode 7
Pink Pollen from a mysterious Pink Plant induces sleep in Under. Will Bob Wire take advantage of this?
Episode 8
Bob Wire tries to create a war between King Russell and Auntie First. Will he succeed?
Episode 9
Russell and the gang get sucked down the drain and land in Under Under for the first time.
Episode 10
Russell practices for his Gopher Scout merit badge in the Quivering Forest.
Episode 11
Russell learns to play Under's national game for the first time: Joustabout. But will his limited experience be enough when he faces Bob Wire for the crown title?
Episode 12
Russell dress up as his favourite comic book superhero to fight crime in Under.
Episode 13
Loopy runs away and joins the Pirates of Hole Island. WIll Loopy ever come back to Under? Will King Russell's desperate attempts prove to be in vain?
Episode 14
A Frobish monster bites Cliff when he goes snooping in Russell's room, and Russell feels it is his responsibility to find the antidote before he becomes a monster permanently.
Episode 15
Gus searches for the Everything Log, independently, in order to make a wish.
Episode 16
Under goes into the Ice Cream business.
Episode 17
No overview available.
Episode 18
No overview available.
Episode 19
No overview available.
Episode 20
No overview available.
Episode 21
No overview available.
Episode 22
No overview available.
Episode 23
No overview available.
Episode 24
No overview available.
Episode 25
No overview available.
Episode 26
No overview available.
