Plot: Simon Bar Sinister makes a vacuum gun which he uses to catch Riff Raff, Electric Eel, Batty man and all of their men for his army while Underdog is saving a sinking ship.
Underdog - Season 3 - The Vacuum Gun, Part 1 (Episode 33)
Episode Aired On:
No estimated release date
No estimated release date
Wally Cox
Sandy Becker
Kenny Delmar
George S. Irving
Allen Swift