Popeye drives along a country road in his boat-shaped car. When he sees that a bridge is out, he takes care of the problem with the help of some spinach. Meanwhile, deep in outer space, an alien spaceship approaches Earth with its occupants bent on finding and abducting an average Earthman to conduct their tests on. They find Popeye instead, and snatch him away from his car via a propeller-mounted plunger. Later, the ship arrives at its planet of origin (determined by Popeye to be Mars). Many green-skinned aliens are in attendance as the Earthman is put on the first of their sinister machines: a Cosmic Ager that soon makes him turn 125. Not amused by the experiment, he counters by eating his wonder vegetable, and reverts back to age two. After the child regurgitates some excess spinach, he