John Robinson is coaxed into an intergalactic wrestling match by a giant alien fight promoter - only to learn that Earth's safety hangs in the balance.
When Farnum B., Showman of the Cosmos, crash-lands on the Robinson's current planet, he immediately tries to recruit Judy for his Miss Galaxy Beauty Pageant. After Judy refuses, however, Smith signs her up anyway.
Penny is captured and taken to an intergalactic zoo, where she is expected to be part of a show, along with the rest of her family. Meanwhile, Dr. Smith tries to take over the zoo.
