Underdog - Season 3 Episode 17 Simon Says, Be my Valentine, Part 1
Simon invents the Valentine Vault which turns people into paper valentines. He orders Cad and his two henchmen to kidnap Sweet Polly... to set a trap to catch Underdog in the machine.
- Genre: Animation, Comedy
- Studio: NBC
- Keyword: superhero, dog, cartoon dog
- Cast: Wally Cox, Sandy Becker, Kenny Delmar, George S. Irving, Mort Marshall, Norma MacMillan