After stumbling upon a Giant's castle, Rupert must rescue Bill from the clutches of a baby giant who decides the cuddly badger is his favorite new dolly.
Rupert and Bill travel back to the days of the Roman Empire where they save the village of Nutwoodium from destruction at the hands of the local Governor.
Rupert finds himself in Mirrorland, where The Professor's ill tempered reflection threatens to destroy everything in his bid to cross through to Nutwood.
While on vacation in Rocky Bay, Rupert sees an island that shouldn't be there. His old enemy, Sir Humphrey Pumphrey is at the helm of an elaborately disguised submarine, intent on plundering King Neptune's Palace.