Captain Longstocking docks in the village to pick up Pippi and take her with him to the South Seas. Annika and Tommy are given permission to go along and they all set sail for adventure on the high seas. Unbeknownst to the Captain and crew, Thunder Karlson and Bloom are castaways yet again in search of their fortunes. Unfortunately, they get very seasick and the fortune is not as easy to access as they had hoped.

The friendly head hunters: Clutch's friend Chub Perkins has disappeared in the Amazon jungle head-hunter territory; The arctic bird giant: In the frozen North, a monstrous creature is stealing supplies from Captain Lowtide's ship; The desert queen: A 29-pound ruby is stolen and the Queen of Sphinxville is the prime suspect; The pear pirates: A giant metal fish is stealing the pearl harvest of a South Pacific island tribe.