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"There's no need to fear! Underdog is here!" With these words, Underdog crashed into the scene. He fought evil and rescued reporter Sweet Polly Purebred. Underdog, the superhero who always spoke in rhyme, fought such villains as Riff Raff, Simon Bar Sinister, Battyman, Overcat, and assorted aliens who wanted to conquer Earth. In his secret identity, he was humble, loveable Shoeshine Boy. When Polly was in danger or a bank was robbed, he took his secret energy pill and became Underdog!

"Underdog: The Ultimate Collection" has all episodes of Underdog, plus Go-Go Gophers, Klondike Kat, Tennessee Tuxedo, and Tooter Turtle.

Underdog: The Ultimate Collection is a series that is currently running and has 1 seasons (18 episodes). The series first aired on October 1, 1966.

Where do I stream Underdog: The Ultimate Collection online? Underdog: The Ultimate Collection is available for streaming on Classic Media, both individual episodes and full seasons. You can also watch Underdog: The Ultimate Collection on demand at Amazon, Google Play online.

Classic Media
1 Season, 18 Episodes
October 1, 1966
Animation & Cartoon
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Underdog: The Ultimate Collection Full Episode Guide

  • With no dizzy cure in sight, will Underdog be able to save the world from Cron, the rampaging giant?

  • Underdog is under the dizzying spell of Zoom, the evil ruler of a far away planet.

  • A prisoner in Riffraffville, Sweet Polly Purebred is in need of saving, but without his "Super Energy Pill," will Underdog be up for the job?

  • After suffering a slew of foiled robberies, Riff Raff takes his crime gang out West.

  • When Simon threatens to press all the keys on his "Weather Machine," will Underdog be able to stop tornados, earthquakes, floods and hurricanes at the same time?

  • Simon Barsinister hijacks a spaceship, and shoots off to the moon to test his latest invention, the "Weather Machine."

  • Will Underdog be able to stop the Marbleheads and their "Granite Gun" without becoming one of their slaves?

  • Rock-eating Marbleheads from the Planet Granite have invaded Earth.

  • How will Underdog defeat the mad scientist once and for all, when he has been shrunken down so small?

  • In an attempt to become the biggest man in the world, Simon Barsinister invents "shrinking water" and shrinks everyone...even Underdog!

  • While Underdog is busy saving Sweet Polly Purebred, a massive train crash is in Riff Raff's golden plan.

  • Riff Raff and his gang devise a diabolical plan to rob a freight train of its gold.

  • When Fearo escapes, will Underdog be able to save Polly from the giant ape's ferocious clutches?

  • Sweet Polly Purebred is sent to a mysterious island to report on the world's mightiest monster, Fearo the Ferocious!

  • Public Enemy Number One, Riff Raff, frames Underdog for the largest gold brick robbery in history!

  • Will Underdog be able to save Earth's H2O supply before Simon gains control over every last drop?

  • Simon Barsinister invents the "Big Dipper" to scoop up all the water in the world!

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