The WORST episodes of Underdog

Every episode of Underdog ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Underdog!

There's no need to fear! Underdog is here! When criminals in this world appear And break the laws that they should fear And frighten all who see or hear The cry goes up both far and near For Underdog! Underdog! Underdog! Underdog! Speed of lightning, roar of thunder Fighting all who rob or plunder Underdog. Underdog! When in this world the headlines read Of those whose hearts are filled with greed Who rob and steal from those who need To right this wrong with blinding speed Goes Underdog! Underdog! Underdog! Underdog! Speed of lightning, roar of thunder Fighting all who rob or plunder Underdog. Underdog! ** The original airing order of the episodes is not available, but if you uncover it or have some info to add, please submit it. Thanks. **

Last Updated: 4/15/2024Network: NBCStatus: Ended
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Riffraffville (1)
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#1 - Riffraffville (1)

Season 2 - Episode 45 - Aired 12/18/1965

The Big Dipper (4)
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#2 - The Big Dipper (4)

Season 3 - Episode 8 - Aired 10/8/1966

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.

The Big Dipper (3)
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#3 - The Big Dipper (3)

Season 3 - Episode 7 - Aired 10/8/1966

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!

The Big Dipper (2)
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#4 - The Big Dipper (2)

Season 3 - Episode 6 - Aired 10/1/1966

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.

The Big Dipper (1)
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#5 - The Big Dipper (1)

Season 3 - Episode 5 - Aired 10/1/1966

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!

Underdog Versus Overcat (4)
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#6 - Underdog Versus Overcat (4)

Season 3 - Episode 4 - Aired 9/24/1966

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.

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Underdog Versus Overcat (3)
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#7 - Underdog Versus Overcat (3)

Season 3 - Episode 3 - Aired 9/24/1966

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.

Underdog Versus Overcat (2)
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#8 - Underdog Versus Overcat (2)

Season 3 - Episode 2 - Aired 9/17/1966

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.

Underdog Versus Overcat (1)
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#9 - Underdog Versus Overcat (1)

Season 3 - Episode 1 - Aired 9/17/1966

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!

The Tickle Feather Machine (4)
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#10 - The Tickle Feather Machine (4)

Season 2 - Episode 52 - Aired 1/8/1966

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The Tickle Feather Machine (3)
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#11 - The Tickle Feather Machine (3)

Season 2 - Episode 51 - Aired 1/8/1966

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The Tickle Feather Machine (2)
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#12 - The Tickle Feather Machine (2)

Season 2 - Episode 50 - Aired 1/1/1966

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The Tickle Feather Machine (1)
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#13 - The Tickle Feather Machine (1)

Season 2 - Episode 49 - Aired 1/1/1966

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Riffraffville (4)
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#14 - Riffraffville (4)

Season 2 - Episode 48 - Aired 12/25/1965

Riffraffville (3)
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#15 - Riffraffville (3)

Season 2 - Episode 47 - Aired 12/25/1965

Riffraffville (2)
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#16 - Riffraffville (2)

Season 2 - Episode 46 - Aired 12/18/1965

The Just in Case (1)
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#17 - The Just in Case (1)

Season 3 - Episode 9 - Aired 10/15/1966

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.'

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The Silver Thieves (4)
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#18 - The Silver Thieves (4)

Season 2 - Episode 44 - Aired 12/11/1965

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The Silver Thieves (3)
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#19 - The Silver Thieves (3)

Season 2 - Episode 43 - Aired 12/11/1965

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The Silver Thieves (2)
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#20 - The Silver Thieves (2)

Season 2 - Episode 42 - Aired 12/4/1965

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The Silver Thieves (1)
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#21 - The Silver Thieves (1)

Season 2 - Episode 41 - Aired 12/4/1965

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Simon Says...No Thanksgiving (4)
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#22 - Simon Says...No Thanksgiving (4)

Season 2 - Episode 40 - Aired 11/27/1965

Simon Says...No Thanksgiving (3)
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#23 - Simon Says...No Thanksgiving (3)

Season 2 - Episode 39 - Aired 11/27/1965

Simon Says...No Thanksgiving (2)
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#24 - Simon Says...No Thanksgiving (2)

Season 2 - Episode 38 - Aired 11/25/1965

Simon Says...No Thanksgiving (1)
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#25 - Simon Says...No Thanksgiving (1)

Season 2 - Episode 37 - Aired 11/25/1965

Simon Bar-Sinister uses a Time Bomb to travel back in time to stop the first Thanksgiving