Vrienden uit de ruimte / Friends from outer space

Alfred and Henk cast ashore on a deserted island. They meet a group of duck-like aliens who occasionally come to the island to harvest a special kind of fruit.

De walvis / The whale

At the South Pole, Professor Paljas tries to communicate with the whales. Alfred and Henk go into battle with a whaler, but the invention of the professor proves useful.