hd.thomson-multimediaUnderdog Simon Says, Be my Valentine, Part 4 (1964–1973) watch online HD
- Original title:Simon Says, Be my Valentine, Part 4
- Category:TV Episode / Animation / Action / Comedy / Family
- Released:1964–1973
- Actors:Wally Cox,George S. Irving,Norma MacMillan
- Writer:W. Watts Biggers,Chester Stover
- Video type:TV Episode
- Rating 6.7
- Votes 553
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Short summary
| Episode credited cast: | |||
 | Wally Cox | - | Underdog (voice) |
 | George S. Irving | - | Narrator / Mayor Linseed (voice) |
 | Norma MacMillan | - | Sweet Polly Purebred (voice) |
| Allen Swift | - | Simon Bar-Sinister (voice) |