Watch Underdog Season 3 Full Episodes

Simon instructs an entranced Underdog to destroy Polly. As he approaches the trapped reporter, his brain fights the mind control Simon has and...

Simon toys with Underdog who is now in his power after stepping into one of Simon's Phoney Booths. He makes him dance, bring the 1st National bank to...

More unsuspecting people fall prey to Simon's Phoney Booths. A banker steps into a booth and is ordered to bring all the money from the bank. An...

Cad, Simon Bar Sinister's henchman, replaces real phone booths with Phoney Booths. When he returns to the lab to tell his boss all the booths have...

Polly finds Underdog's ring. He takes his energy pill then defeats Electric Eel, Riff Raff and Batty Man. Simon uses his vacuum gun but since...

Underdog's ring has fallen off his finger; Polly dives underwater to find it. Meanwhile, Simon and his army are using their vacuum guns to steal all...

Sweet Polly is captured by Simon and calls for Underdog. Unfortunately, his energy was drained from saving the ship so he and Polly were sucked in...

Simon Bar Sinister makes a vacuum gun which he uses to catch Riff Raff, Electric Eel, Batty man and all of their men for his army while Underdog is...

Polly and our hero have been placed onto the conveyor belt of Batty Man's bowling ball presser. The steam from the machine loosens Polly's chains,...

Batty Man has captured Polly and Underdog. The villains raid Fort Knox, returning to Batty Man's castle with the plundered gold. The villains press...

Batty Man, a take-off of Bela Lugosi's Count Dracula is an evil vampire. He, with his hench-bat Georgie and his army of giant vampire bats are...

A series of crimes are being perpetrated all over the country. Underdog tries to solve them, but finds no clues as to who is behind the crime wave....

The Electric Eel and his gang head for Washington, D.C. to take over the country. But Underdog is on the mend; the waters of the lake sap the...

The Electric Eel traps Underdog in his electric cage. As the cage closes in around him, the cage fills Underdog's body with thousands of volts....

Flim and Polly agree that humble, loveable Shoeshine boy would be able to make sense of the riddle 'A Rhyme in Time Saves Nine'. Shoeshine deduces...

After a violent thunderstorm ravages the city, the community gathers in front of one of the steel buildings to see a message revealed inscribed on...

In the final episode, the giant finishes toying with Underdog and bats him back to the hospital. With Underdog out of the picture, the Army, Navy and...

When Underdog gets dizzy during an interview after returning from a strange planet, he is rushed to the hospital where the doctors try to find the...

After returning from a strange planet and wearing a charm that the alien from the planet he brought back to Earth with him, Underdog is interviewed...

Sweet Polly is reporting a launch in space but the capsule is pulled off course to an uncharted planet. On this planet, the evil Zorb used a magnet...

Polly pulls the handcuffs off of the pole and cries over her now-paper hero. Then she hears the familiar saying, "The secret compartment of my ring I...

Shoeshine Boy finally transforms into Underdog. He frees Polly, but she faints before warning him about the Valentine machine. Underdog charges in...

Shoeshine Boy sees Cad and his henchmen kidnap Polly. He must let them beat him up to protect his secret identity. He waits in line for the phone...

Simon invents the Valentine Vault which turns people into paper valentines. He orders Cad and his two henchmen to kidnap Sweet Polly... to set a trap...

In this final episode, Shoeshine asks for a drink of water after being placed in his cell. When he gets it from the guard he tosses it into the...

Just before they are ready to head home with their slaves they captured with the Granite Gun, Crusher and Gravel are confronted by the army. Using...

After all the reporters and news crew leave the site of the strange object, two stonehead creatures from the planet Granite, named Gravel and...

A strange object crash-lands on earth. A group of scientists check out the mysterious object, determining that it's a harmless, dead comet. The...

Polly watches helplessly as Underdog fall victim to the witch doctor's voodoo spell. Luckily, a passing sea gull grabs the Underdog doll and takes it...

Riff and his gang decide to rob one more vessel before they go for their biggest catch, The Queen May. But, Polly has hidden herself as a decoy so...

As Riff Raff and his newly acquired gang is being pursued by the prison guards, Shoeshine Boy is finally able to change into Underdog and fly to the...

The prison warden's chief officer informs him that Riff Raff is assembling a gang and is planning on escaping. They feel that they need to tell...

Simon has finally forced the people of the city and the world to give him ultimate power. Underdog is still stuck in the polluted mud of what was...

Simon and Cad have drained the Atlantic Ocean and they've defeated Underdog. They return to the USA where the people are demanding their water back....

Simon and Cad have invented a device to drain off the world's water supply. The pair travels around the world and steal all of the world's water....

Sinister and Cad invent another evil device they call the Big Dipper, a machine that can dry up all of the world's water supplies. On its first...

At first it look like Overcat is going to win. But even though he's as strong as Underdog, he's not fast. Underdog uses his speed to beat Overcat....

Polly gives Underdog his energy pill and he beats Overcat's men. Next, Underdog takes Polly and the cows back to earth. Overcat challenges Underdog...

Polly tells Overcat about Underdog but he is not worried; he kidnaps her to milk the cows. Polly calls for Underdog. When he gets to Overcat's...

The planet Felina's milk wells have run dry which makes the evil ruler Overcat mad. He and his men go to Earth and steal all the cows. However, they...