1. Safe Waif
Aired: Oct 3, 1964Underdog rescues a boy locked in a bank vault, causing destructive mayhem in ...
2. March of the Monsters
Aired: Oct 10, 1964An army of huge mechanical monsters invades the city and capture Polly Purebred.
3. Simon Says
Aired: Oct 17, 1964Simon Bar-Sinister develops an energy ray that turns its target into a photog...
4. Tricky Trap by Tap Tap
Aired:Underdog's doppelganger Tap Tap escapes from prison by impersonating Underdog...
5. Go Snow, Part 1
Aired:Simon invents a snow machine. He turns people into snow. Can Underdog stop hi...
6. Go Snow, Part 2
Aired:Simon Bar-Sinister engages in a robbery spree throughout the city, turning pe...
7. Go Snow, Part 3
Aired:Simon forces Sweet Polly Purebred to broadcast an ultimatum to the city. When...
8. Go Snow, Part 4
Aired:Underdog has been frozen by Simon's snow ray, and Simon holds the city in ter...
9. Zot: Part 1
Aired:King Klobber, from the distant planet of Zot, has promised his daughter, Prin...
10. Zot, Part 2
Aired:King Klobber sends a delegation to earth to bring back Underdog to marry his ...
11. Zot, Part 3
Aired:Underdog successfully fights off the Zot army, so King Klobber kidnaps Sweet ...
12. Zot, Part 4
Aired:To save Sweet Polly, Underdog agrees to marry Princess Glissando. The wedding...
13. The Great Gold Robbery, Part 1
Aired:Riff-Raff is no longer Public Enemy No. 1, so he comes up with the ultimate p...
14. The Great Gold Robbery, Part 2
Aired:Riff-Raff's plan goes into action: they kidnap Sweet Polly Purebred, tie her ...
15. The Great Gold Robbery, Part 3
Aired:Underdog is still confused and frustrated trying to find Sweet Polly among al...
16. The Great Gold Robbery, Part 4
Aired:The train full of gold is about to crash into another train, with Riff-Raff's...
17. Fearo, Part 1
Aired: Dec 1, 1964O.J.Skweez, desperate for ratings, sends Sweet Polly Purebred to catch a trem...
18. Fearo, Part 2
Aired: Dec 1, 1964After overcoming a mutiny at sea Polly and the gang continue on to the south ...
19. Fearo, Part 3
Aired: Dec 1, 1964Reminiscent of the movie King Kong the gang captures "Fearo" and return him t...
20. Fearo, Part 4
Aired: Dec 1, 1964"Fearo" runs amok and even the Army cannot stop him. Underdog arrives on the ...
21. The Big Shrink, Part 1
Aired: Jan 7, 1970Simon Bar Sinister is working an a chemical that will shrink the city's citiz...
22. The Big Shrink, Part 2
Aired: Jan 7, 197023. The Big Shrink, Part 3
Aired: Jan 7, 197024. The Big Shrink, Part 4
Aired: Jan 7, 197025. The Bubbleheads, Part 1
Aired:26. The Bubbleheads, Part 2
Aired: Dec 14, 199927. The Bubbleheads, Part 3
Aired: Dec 21, 199928. The Bubbleheads, Part 4
Aired: Dec 28, 199929. From Hopeless to Helpless, Part 1
Aired: Jan 11, 200030. From Hopeless to Helpless, Part 2
Aired: Jan 18, 200031. From Hopeless to Helpless, Part 3
Aired: Jan 25, 200032. From Hopeless to Helpless, Part 4
Aired: Feb 1, 200033. The Witch of Pickyoon
Aired:After Polly's plane gets caught in a freak storm, she calls for Underdog. He ...