T1, E1: Russell Wright, his dog Gus and his family move into their new home in a new neighborhood. Russell happily chooses the turret room for his bedroom, where he finds a secret passage under his bed. The passage leads him and Gus to the world of Under where he finds out that he is their new King and that Gus can talk! There is however a little snag, he wont officially be the new king until he rescues Vernon from the room you cant get out of and snags the crown from the nasty Bob Wire. When Russell finally meets up with Bob Wire he is challenged to a duel for the crown. In a strange Underesque battle, Russell defeats Bob and becomes the new king of Under King Russell the Wright! Meanwhile in the Up world a mean kid named Cliff makes claims to the turret room, which used to be his. It seems that Russell will be defending his crown in both worlds.