Simon Says, Be my Valentine, Part 2
- Episode aired Feb 11, 1967
![Wally Cox in Underdog (1964)](https://m.media-amazon.com/images/M/MV5BNTM2NTk5NWMtNjgxYS00YjQ3LWE2YTktZmFkOWZjYmFlM2ZkXkEyXkFqcGdeQXVyNTAyODkwOQ@@._V1_QL75_UY281_CR5,0,190,281_.jpg)
Little does Underdog knows that as Valentine's Day approaches Simon Barsinister would strike again with an even more fiendish invention.Little does Underdog knows that as Valentine's Day approaches Simon Barsinister would strike again with an even more fiendish invention.Little does Underdog knows that as Valentine's Day approaches Simon Barsinister would strike again with an even more fiendish invention.