Simon Says, Be my Valentine, Part 3
- Episode aired Feb 18, 1967
![Wally Cox in Underdog (1964)](https://m.media-amazon.com/images/M/MV5BNTM2NTk5NWMtNjgxYS00YjQ3LWE2YTktZmFkOWZjYmFlM2ZkXkEyXkFqcGdeQXVyNTAyODkwOQ@@._V1_QL75_UY281_CR5,0,190,281_.jpg)
Simon Barsinister is holding Sweet Polly Purebred captive in hope of luring Underdog to his Valentine trap.Simon Barsinister is holding Sweet Polly Purebred captive in hope of luring Underdog to his Valentine trap.Simon Barsinister is holding Sweet Polly Purebred captive in hope of luring Underdog to his Valentine trap.