The adventures of a rhyming canine superhero. (imdb)
1 season, 21 episodes at Criticker
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Safe Waif (1964)
- S1E1
Underdog rescues a boy locked in a bank vault, causing destructive mayhem in the process. (imdb)
March of the Monsters (1964)
- S1E2
An army of huge mechanical monsters invades the city and capture Polly Purebred. (imdb)
Simon Says (1964)
- S1E3
Simon Bar-Sinister develops an energy ray that turns its target into a photograph. He kidnaps Sweet Polly Purebred to trap Underdog into a photograph and tear him up. (imdb)
Underdog's doppelganger Tap Tap escapes from prison by impersonating Underdog. He threatens to blow up Sweet Polly Purebred if Underdog doesn't obey Tap Tap's commands. (imdb)
Go Snow, Part 1 (1964)
- S1E5
Simon invents a snow machine. He turns people into snow. Can Underdog stop him before it's to late? (imdb)
Go Snow, Part 2 (1964)
- S1E6
Simon Bar-Sinister engages in a robbery spree throughout the city, turning people into snowmen. Meanwhile, Sweet Polly Purebred discovers Simon's laboratory. (imdb)
Go Snow, Part 3 (1964)
- S1E7
Simon forces Sweet Polly Purebred to broadcast an ultimatum to the city. When Underdog comes to save the day, Simon uses his snow ray on him. (imdb)
Go Snow, Part 4 (1964)
- S1E8
Underdog has been frozen by Simon's snow ray, and Simon holds the city in terror. (imdb)
Zot: Part 1 (1964)
- S1E9
King Klobber, from the distant planet of Zot, has promised his daughter, Princess Glissando, the strongest husband in the universe. (imdb)
Zot, Part 2 (1964)
- S1E10
King Klobber sends a delegation to earth to bring back Underdog to marry his daughter, against Underdog's wishes. (imdb)
Zot, Part 3 (1964)
- S1E11
Underdog successfully fights off the Zot army, so King Klobber kidnaps Sweet Polly Purebred. (imdb)
Zot, Part 4 (1964)
- S1E12
To save Sweet Polly, Underdog agrees to marry Princess Glissando. The wedding is threatened by a two-headed dragon. (imdb)
Fearo, Part 1 (1964)
- S1E17
O.J.Skweez, desperate for ratings, sends Sweet Polly Purebred to catch a tremendous ape, Fearo The Ferocious on camera. Shoeshine Boy accompanies Polly on the Friday The 13th. (imdb)
Fearo, Part 2 (1964)
- S1E18
O.J.Skweez, desperate for ratings, sends Sweet Polly Purebred to catch a tremendous ape, Fearo The Ferocious on camera. Shoeshine Boy accompanies Polly on the Friday The 13th. (imdb)