Underdog breaks out of the phone booth, and hears the cries for help again. Underdog flies to the lady, who tells him...

An army of giant robots take over the city and capture Polly. Underdog foils the monsters by using his high-pitched v...

Simon, a mad scientist, creates a camera. This is not some ordinary camera however. When he takes someone's picture, ...

Simon Bar Sinister creates a new super weapon: the Go-Snow Gun. The gun freezes people, turning them into snow people...

After Simon and Cad turn the bank president, his staff and customers into snow people, they rob the bank of all its a...

Capturing Polly in their lab, Simon and Cad are about ready to turn her into a snow woman. But then, Cad comes up wit...

Simon has frozen poor Underdog solid. All efforts to defrost Underdog fail. Somehow, Underdog defrosts himself and im...

Underdog is having an average day. He foils a bank robbery, rescued Sweet Polly and made himself useful across the wo...

The story of Zot continues with King Klobber searching the galaxy and then the universe for the strongest warrior. Th...

As the story of Zot continues King Klobber of Zot sends a spaceship to capture Sweet Polly Purebred. He holds Polly u...

The story of Zot concludes, as Underdog and the princess are about to be married. Just at that moment the evil two-he...

Riff-Raff is no longer Public Enemy No. 1, so he comes up with the ultimate plan: robbing a trainload of gold by dist...

Riff-Raff's plan goes into action: they kidnap Sweet Polly Purebred, tie her up and put her in a balloon, and set up ...

Underdog is still confused and frustrated trying to find Sweet Polly among all the balloons, so far only coming acros...

The train full of gold is about to crash into another train, with Riff-Raff's plan going just as he expected. However...

Sweet Polly Purebread boards a ship to travel to a south sea island to investigate the world's biggest monster "Fearo...

After overcoming a mutiny at sea Polly and the gang continue on to the south sea Island to find "Fearo the Ferocious"...

Reminiscent of the movie King Kong the gang captures "Fearo" and return him to civilization to meet the public in a b...

"Fearo" runs amok and even the Army cannot stop him. Underdog arrives on the scene and battles "Fearo" by tantalizing...

Simon Bar Sinister is working an a chemical that will shrink the city's citizens to miniature size. Go-Go Gophers - ...

Underdog is shrunk by Simon's new evil device and is placed alongside Polly in a birdcage. Luckily, our hero's powers...

Underdog and Polly are trapped in a rat hole, surrounded by a army of rats. Weakened from their run from Simon and Ca...

The rainmaking machine has done its evil work; Simon has shrunk everyone to the size of his thumb, even his henchman ...

Far beneath the sea in the kingdom of Maldemare, the Empress scorns the Emperor for not taking over the surface dwell...

The Emperor and Empress of Maldamere have a scientist who has created a tidal wave making machine, and plan to use it...

After being captured by the evil monarchs of Maldemare, Polly and the Professor are taken in front of them and learn ...

Trapped inside of the giant clam, it looks like the end of Underdog and his friends. Polly remembers to give Underdog...

O.J. Skweez comes to Sweet Polly Purebred with news about the Hopeless Diamond being worn at a party. Knowing that so...

Things looked bad for Polly, who's speeding down a car downward on a slope, and a wheel on the car even comes off. Fo...

Tap Tap, disguised as Underdog, has been going all over the place committing crimes. After stealing the mayor's cigar...

Underdog is so helpless in jail, that he began to believe that he really did do those crimes. Back at Riff Raff's hid...

Underdog's double, an evil criminal, plots to steal a priceless diamond after he escapes from prison.

No episode overview available.