Rupert, Edward and the Professor set out on a pleasant balloon ride that soon turns into a harrowing adventure amongst ancient temple ruins on a remote tropical isle.

After Santa asks him to find out why it hasn't snowed this winter, Rupert finds himself adrift on an ice floe in the middle of the Arctic Ocean.

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 meet Father Time. Upon returning home after a series of strange adventures in Timeland, they find that they have aged 75 years.

Rupert becomes involved in a dangerous game of cloak and dagger, matching wits with an infamous jewel thief called "the Chameleon".

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 battles train robbers and strikes gold while visiting his Uncle Grizzly in the Wild West.

Rupert finds himself in Storyland, where his attempt at playing the fiddle for a not-so-merry Old King Cole lands him in the dungeon.

Rupert travels to the shores of Loch Ness to rescue his legendary friend from the clutches of a fortune-hunting adventurer.

Rupert and his parents spend an uneasy night in a tumble-down castle which comes complete with a ghost and hidden pirate treasure.

A little bird that thinks Rupert is his mother turns out to have some surprising and dangerous abilities.

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.