When a young magician threatens the last herd of unicorns, Rupert and his friend Tigerlily fly to the mythical Um Island.

Podgy's appetite gets himself and Rupert caught by hungry crocodiles.

Rupert's unsuccessful attempts to teach a cantankerous wood troll the meaning of friendship only causes problems for the Imps of Spring, hard pressed to bring Spring to Nutwood on time.

Tricked by an evil sorcerer into putting Tigerlily under a sleeping spell, Rupert flies to the Bird Kingdom in hopes of finding a cure.

Rupert's old snowman has fled to Nutwood seeking refuge from Billy Blizzard. Rupert learns that Blizzard has frozen King Frost and all the snowmen.

Rupert learns there are no easy solutions to age-old animosities when he becomes involved in a bitter feud between an elderly recluse and a band of leprechauns.

Rupert and Podgy must prevent a rival inventor from stealing all of the Professor's gadgets after his latest invention accidentally shrinks them to the size of insects.

Rupert and Bill's practical joke on Algy leads to a confrontation with the gigantic and hungry Mulp Gulper. The boys find they are the next items on the Gulper's menu.