The first U.S. spaceship to Venus crash-lands off the coast of Sicily on its return trip. A dangerous, lizard-like creature comes with it and quickly grows gigantic.

Svengoolie hosts a cleaner version of Son of Frankenstein than has been previously aired on his show, factoids about the movie and actors and his schlock routines abound in this story about a descendant of the Frankenstein line who encounters Ygor, the monsters friend when his family inherits the family home.