Underdog (TV Series 1964–1973) 1964, 1973, Action, Adventure, Animation, United States Underdog (TV Series 1964–1973) Duration: 30m Description: Underdog: With George S. Irving, Wally Cox, Allen Swift, Norma MacMillan. The adventures of a rhyming canine superhero… Trailer ↗ United States 1964 1973 Animation Action Adventure