An army of giant robots take over the city and capture Polly. Underdog foils the monsters by using his high-pitched voice to destroy the robots' electronic brains. The robots aren't the only thing destroyed, but so is all of the city's glassware.
Released: Jan 01, 1970
Runtime: 00:10:30 minutes
Genre: Animation, Comedy
Stars: Wally Cox, Sandy Becker, Kenny Delmar, George S. Irving, Mort Marshall, Norma MacMillan, Delo States, Ben Stone, Allen Swift