Underdog official wallpaper
Underdog poster

Underdog

(1964)

Seasons

Underdog Season 1 poster

Season 1 (1964)

with 26 episodes premiered on October 3, 1964

Underdog Season 2 poster

Season 2 (1965)

with 22 episodes premiered on October 3, 1965

Underdog Season 3 poster

Season 3 (1966)

with 14 episodes premiered on October 3, 1966