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The Best Episodes of Underdog Season 3

Every episode of Underdog Season 3 ranked from best to worst. Discover the Best Episodes of Underdog Season 3!

Binge this in 2h 5m•Peaking at 8.8/10

Underdog, also known as The Underdog Show, is an American Saturday morning animated television series that ran from October 3, 1964, to March 4, 1967, starting on the NBC network until 1966, with the rest

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Episode Rankings

  1. #1 Fan Favorite
    Underdog Season 3 Episode 1 - Underdog vs. Overcat, Part 1
    8.3/10(15 votes)

    #1 - Underdog vs. Overcat, Part 1

    S3:E1

    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 don't know how to get the milk from them so they grab someone who does... Sweet Polly!

    Director:Unknown
    Writer:Unknown

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  2. Underdog Season 3 Episode 2 - Underdog vs. Overcat, Part 2
    8.4/10(14 votes)

    #2 - Underdog vs. Overcat, Part 2

    S3:E2

    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 planet, he is placed in a rubber ball trap that drains his energy. He is taken to help Polly milk the cows.

    Director:Unknown
    Writer:Unknown

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  3. Underdog Season 3 Episode 3 - Underdog vs. Overcat, Part 3
    8.3/10(14 votes)

    #3 - Underdog vs. Overcat, Part 3

    S3:E3

    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 to a fight for the cows. If Underdog refuses, Overcat will attack Earth.

    Director:Unknown
    Writer:Unknown

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  4. Underdog Season 3 Episode 4 - Underdog vs. Overcat, Part 4
    8.5/10(15 votes)

    #4 - Underdog vs. Overcat, Part 4

    S3:E4

    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. When the cats kick Overcat out of Felina, Underdog gives them coconut trees so they never run out of milk.

    Director:Unknown
    Writer:Unknown

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  5. Underdog Season 3 Episode 5 - The Big Dipper, Part 1
    7.9/10(16 votes)

    #5 - The Big Dipper, Part 1

    S3:E5

    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 trials, the Big Dipper does little more than flooding Simon's lab. After a few false starts, the Big Dipper is finally ready to destroy the world's water supply and Simon may finally have a means of taking over the world!

    Director:Unknown
    Writer:Unknown

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  6. Underdog Season 3 Episode 6 - The Big Dipper, Part 2
    8.1/10(17 votes)

    #6 - The Big Dipper, Part 2

    S3:E6

    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. When Simon steals the Atlantic Ocean, he leaves Underdog stuck in the polluted mud of what was once the Atlantic Ocean.

    Director:Unknown
    Writer:Unknown

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  7. Underdog Season 3 Episode 7 - The Big Dipper, Part 3
    7.9/10(15 votes)

    #7 - The Big Dipper, Part 3

    S3:E7

    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. But Simon says, "Unless You do as Simon says, you'll get no water!" Polly finds it hard to believe that all of the world's waters are in little jars held by Simon. Seeing that the world needs a further demonstration of his machine's awesome power over them, Simon takes out a jar that contains what was once his swimming pool and places it into his machine. He turns it on and fresh clean waters come from the Big Dipper's hose, filling Simon's pool. The people of the world begin to do what Simon Says and it seems as if the mad scientist has won!

    Director:Unknown
    Writer:Unknown

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  8. Underdog Season 3 Episode 8 - The Big Dipper, Part 4
    8.4/10(15 votes)

    #8 - The Big Dipper, Part 4

    S3:E8

    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 once the Atlantic Ocean. He swallows a super energy pill from his ring and, regaining his super powers, he flies back to the city and tricks the two villains into giving him all of Simon's jars of water. In retaliation, Simon prepares to destroy the Big Dipper with his pistol. Our hero takes the gun away from Simon and knocks the two villains out. Underdog refills the world's entire waterway, saving the world once again.

    Director:Unknown
    Writer:Unknown

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  9. Underdog Season 3 Episode 9 - Just in Case, Part 1
    8.8/10(15 votes)

    #9 - Just in Case, Part 1

    S3:E9

    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 Underdog, so they send for Sweet Polly to call for him. When Polly arrives, the chief officer explains what was overheard in the prison from some of the prisoners that Riff has obtained as part of his gang. Polly then calls for Underdog, who, disguised as shoeshine boy, is stalled waiting for a woman to exit the phone booth he needs to change in. Upon hearing that Underdog has been called, Riff makes the decision that his newly formed gang needs to leave immediately, taking with them a disguised little fella. When the gang asks why he needs to be taken along, Riff responds, 'Just in Case.'

    Director:Unknown
    Writer:Unknown

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  10. Underdog Season 3 Episode 10 - Just In Case, Part 2
    8.8/10(13 votes)

    #10 - Just In Case, Part 2

    S3:E10

    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 prison. At the shore of the river, Riff reveals to his gang that he has all the components of the Ghost Ship of Captain Kidd. They begin to start rebuilding the ship. When asked why the disguised little guy isn't helping, Riff responds, 'Just in Case'. Just as Underdog arrives at the bank of the river, Riff and the gang set sail, but Underdog cannot see them in the Ghost Ship. After escaping, Riff goes on a crime spree robbing all ships on the sea. Underdog cannot find them since they are invisible. To assist Underdog, Polly hides in a crate on board a merchant ship so that when Riff robs the ship, she can call for Underdog.

    Director:Unknown
    Writer:Unknown

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  11. Underdog Season 3 Episode 11 - Just In Case, Part 3
    8.6/10(13 votes)

    #11 - Just In Case, Part 3

    S3:E11

    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 that she can call for Underdog once she is on board the Ghost Ship. When the gang opens the contents of the merchant ship they just robbed, Polly emerges and runs calling for Underdog. They capture her but the gang is fearful that her cries will bring Underdog. At this point, Riff finally reveals what 'Just in Case' is,...Just in Case Underdog comes! The disguised fella is really a witch doctor who, along with a voodoo doll in the form of Underdog, is able to manipulate our hero and leave him helpless

    Director:Unknown
    Writer:Unknown

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  12. Underdog Season 3 Episode 12 - Just In Case, Part 4
    8.6/10(13 votes)

    #12 - Just In Case, Part 4

    S3:E12

    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 to a remote island. There, a monkey takes the doll to the top of a volcano, preparing to throw the doll in. In the meantime, Riff Raff And his Ghost Ship Gang sneak aboard the Queen May and begin to loot the ship. Needing every ounce of his super strength to break the witch doctor's spell, Underdog takes one of his super energy pills. Free of the spell, Underdog flies to the Queen May with a paintbrush and a bucket of paint. Before long, the ghost ship is reveled by the superhero-cum-artist. Riff Raff and his Ghost Ship Gang are captured, and returned to prison.

    Director:Unknown
    Writer:Unknown

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  13. Underdog Season 3 Episode 13 - The Marbleheads, Part 1
    8.2/10(12 votes)

    #13 - The Marbleheads, Part 1

    S3:E13

    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 scientists leave the scene unaware of the fact that a secret door opens from the center of this strange thing and two evil looking space aliens emerge from this strange object.

    Director:Unknown
    Writer:Unknown

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  14. Underdog Season 3 Episode 14 - The Marbleheads, Part 2
    8.5/10(12 votes)

    #14 - The Marbleheads, Part 2

    S3:E14

    After all the reporters and news crew leave the site of the strange object, two stonehead creatures from the planet Granite, named Gravel and Crusher, emerge from the craft with their Granite Gun. Their mission is to collect 10 slaves to bring back to their planet to work in the rock mines. After reporting in to their fearless leader, Captain Marblehead, the two buffet on some of Earth's stones and marble. They then proceed with their mission and collect 10 slaves, which so happen, include Shoeshine Boy and Sweet Polly. Before they leave for home, they are observed and the army tries to stop them.

    Director:Unknown
    Writer:Unknown

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  15. Underdog Season 3 Episode 15 - The Marbleheads, Part 3
    8.5/10(12 votes)

    #15 - The Marbleheads, Part 3

    S3:E15

    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 the Granite Gun, the stoneheads defeat the army and head for Planet Granite. They then present the slaves to Captain Marblehead who orders them cracked open from their stone enclosures. He explains that they were brought to mine the rocks for the food for the Marbleheads and orders them sent to the mines. While working in the mine, Polly tries to call for Underdog, but with him disguised in his Shoeshine Boy persona, he has no place to change. He then suggests a revolt and the group makes a plan.

    Director:Unknown
    Writer:Unknown

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  16. Underdog Season 3 Episode 16 - The Marbleheads, Part 4
    8.5/10(12 votes)

    #16 - The Marbleheads, Part 4

    S3:E16

    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 guards eyes. While the guard tries to regain his sight, the prisoners escape locking him in the cell. The next phase of their plan is to get the Granite Gun which is in the throne room of Captain Marblehead who is enjoying his meal. Polly attempts to clobber the Captain with a pipe, but it has no effect on his stone head. He then calls for the guards who round up the prisoners. In the confusion, the guards hurl a projectile at the prisoners who duck and allows it to break open a wall to reveal a phone booth. Shoeshine sees this opportunity and changes into Underdog. He races to free the prisoners only to face Captain Marblehead and the Granite Gun. Underdog gets temporarily made of stone but then breaks free. He then melts the Granite Gun with his x-ray vision.

    Director:Unknown
    Writer:Unknown

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  17. Underdog Season 3 Episode 17 - Simon Says, Be my Valentine, Part 1
    7.8/10(13 votes)

    #17 - Simon Says, Be my Valentine, Part 1

    S3:E17

    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 to catch Underdog in the machine.

    Director:Unknown
    Writer:Unknown

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  18. Underdog Season 3 Episode 18 - Simon Says 'Be My Valentine', Part 2
    8.0/10(11 votes)

    #18 - Simon Says 'Be My Valentine', Part 2

    S3:E18

    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 booth while Polly is told of the machine, handcuffed to a pole and gagged.

    Director:Unknown
    Writer:Unknown

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  19. Underdog Season 3 Episode 19 - Simon Says 'Be My Valentine', Part 3
    8.3/10(11 votes)

    #19 - Simon Says 'Be My Valentine', Part 3

    S3:E19

    Shoeshine Boy finally transforms into Underdog. He frees Polly, but she faints before warning him about the Valentine machine. Underdog charges in but is crushed flat and turned into to a paper valentine. Then Simon tells Cad and the henchmen to load the machine in to a truck to take it to City Hall to turn the Mayor into a paper valentine. Before they go, they re-handcuff Polly to the pole so when she comes to she can look at her beloved hero

    Director:Unknown
    Writer:Unknown

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  20. Underdog Season 3 Episode 20 - Simon Says 'Be My Valentine', Part 4
    8.3/10(11 votes)

    #20 - Simon Says 'Be My Valentine', Part 4

    S3:E20

    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 fill with an Underdog energy vitamin pill." She sees Underdog is flat but all right. She finds a flat energy pill in the ring and when she give it to him he breaks out of the Valentine, takes the handcuffs off her hand and they fly to City Hall. There, Underdog saves the mayor and stuffs Simon, Cad and the two henchmen in the machine. Polly turns them into Valentines.

    Director:Unknown
    Writer:Unknown

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  21. Underdog Season 3 Episode 21 - Round and Round, Pt 1
    8.3/10(11 votes)

    #21 - Round and Round, Pt 1

    S3:E21

    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 to pull the capsule to his planet. Zorb explains to his henchman, Cron, his plan to use the capsule as a decoy to lure Underdog. The capsule lands on the planet and gets stuck in the mud. A call is made to Underdog to rescue the planet. After freeing the ship, Cron approaches with a charm and puts it around Underdog as a gift. Underdog, thinking he is a friend suggests to bring Cron back to Earth.

    Director:Unknown
    Writer:Unknown

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  22. Underdog Season 3 Episode 22 - Round and Round, Pt 2
    8.3/10(11 votes)

    #22 - Round and Round, Pt 2

    S3:E22

    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 by Sweet Polly about the rescue and retrieval of the alien. However, once he stands up, he becomes dizzy as things begin to spin around. Back on the strange planet, Zorb explains that as long as Underdog wears the charm around his neck, he will become dizzy. He then checks on Cron, who is being examined by scientists. Cron is caged when he becomes agitated. He then takes a pill Zorb gave him which causes him to grow and break free.

    Director:Unknown
    Writer:Unknown

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  23. Underdog Season 3 Episode 23 - Round and Round, Pt 3
    8.3/10(11 votes)

    #23 - Round and Round, Pt 3

    S3:E23

    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 cause. Meanwhile, the alien grows so big, he breaks out of the lab where he was being examined. Underdog hears the cries for help and leaves the hospital to face the now giant alien. But the charm around his neck causes him to get dizzy, and the giant toys with him.

    Director:Unknown
    Writer:Unknown

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  24. Underdog Season 3 Episode 24 - Round and Round, Pt 4
    8.3/10(10 votes)

    #24 - Round and Round, Pt 4

    S3:E24

    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 Air Force is called into action against the giant. The giant conquers all the armed forces. Polly explains to Underdog that they were all defeated. Hearing this, Underdog tries to leave, but Polly grabs him by the charm around his neck. In the tug-of-war the charm breaks and Underdog is no longer dizzy. Underdog faces the giant and then punches him so hard, he lands back to his home planet.

    Director:Unknown
    Writer:Unknown

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  25. Underdog Season 3 Episode 25 - A New Villain, Part 1
    8.6/10(13 votes)

    #25 - A New Villain, Part 1

    S3:E25

    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 its side: 'To Underdog, A Rhyme in Time Saves Nine'. Sweet Polly asks Flim Flannigan at the police station what it means. Flim explains it could only be the work of Slippery Eel. A few weeks earlier, Eel, Fish, and their henchmen attempted to rob an armored car. They were caught by Underdog and were sent to the maximum prison with the electric fence. Still determined to get out, Slippery Eel tells his boys that he is going to climb the fence now that the power didn't seem to be on. Midway climbing the fence, the guards see him trying to escape and turn on the electricity. However, instead of electrocuting him, it electrifies him, and he then claims that he is now 'The Electric Eel'. He shoots bursts of electricity at the fence and wall and escapes with Fish and the gang, all the while vowing to get even with Underdog.

    Director:Unknown
    Writer:Unknown

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Season 3 Ratings Summary

"Underdog vs. Overcat, Part 1" is the best rated episode of "Underdog" season 3. It scored 8.3/10 based on 15 votes. Directed by Unknown and written by Unknown, it aired on 1/15/1966. This episode is rated 0.1 points higher than the second-best, "Underdog vs. Overcat, Part 2".