Seasons & Episodes
Safe Waif
Underdog breaks out of the phone booth, and hears the cries for help again. Underdog flies to the lady, who tells him th
March of the Monsters
An army of giant robots take over the city and capture Polly. Underdog foils the monsters by using his high-pitched voic
Simon Says
Simon, a mad scientist, creates a camera. This is not some ordinary camera however. When he takes someone's picture, the
Go Snow Part 1
Simon Bar Sinister creates a new super weapon: the Go-Snow Gun. The gun freezes people, turning them into snow people. S
Go Snow Part 2
After Simon and Cad turn the bank president, his staff and customers into snow people, they rob the bank of all its asse
Go Snow Part 3
Capturing Polly in their lab, Simon and Cad are about ready to turn her into a snow woman. But then, Cad comes up with a
Go Snow Part 4
Simon has frozen poor Underdog solid. All efforts to defrost Underdog fail. Somehow, Underdog defrosts himself and immed
Zot: Part 1
Underdog is having an average day. He foils a bank robbery, rescued Sweet Polly and made himself useful across the world
Zot, Part 2
The story of Zot continues with King Klobber searching the galaxy and then the universe for the strongest warrior. They
Zot, Part 3
As the story of Zot continues King Klobber of Zot sends a spaceship to capture Sweet Polly Purebred. He holds Polly unde
Zot, Part 4
The story of Zot concludes, as Underdog and the princess are about to be married. Just at that moment the evil two-heade
The Great Gold Robbery, Part 1
Riff-Raff is no longer Public Enemy No. 1, so he comes up with the ultimate plan: robbing a trainload of gold by distrac
The Great Gold Robbery, Part 2
Riff-Raff's plan goes into action: they kidnap Sweet Polly Purebred, tie her up and put her in a balloon, and set up a b
The Great Gold Robbery, Part 3
Underdog is still confused and frustrated trying to find Sweet Polly among all the balloons, so far only coming across t
The Great Gold Robbery, Part 4
The train full of gold is about to crash into another train, with Riff-Raff's plan going just as he expected. However, U
Fearo, Part 1
Sweet Polly Purebread boards a ship to travel to a south sea island to investigate the world's biggest monster "Fearo th
Fearo, Part 2
After overcoming a mutiny at sea Polly and the gang continue on to the south sea Island to find "Fearo the Ferocious". U
Fearo, Part 3
Reminiscent of the movie King Kong the gang captures "Fearo" and return him to civilization to meet the public in a big
Fearo, Part 4
"Fearo" runs amok and even the Army cannot stop him. Underdog arrives on the scene and battles "Fearo" by tantalizing hi
The Big Shrink, Part 1
Simon Bar Sinister is working an a chemical that will shrink the city's citizens to miniature size. Go-Go Gophers - Tap
The Big Shrink, Part 2
Underdog is shrunk by Simon's new evil device and is placed alongside Polly in a birdcage. Luckily, our hero's powers ar
The Big Shrink, Part 3
Underdog and Polly are trapped in a rat hole, surrounded by a army of rats. Weakened from their run from Simon and Cad,
The Big Shrink, Part 4
The rainmaking machine has done its evil work; Simon has shrunk everyone to the size of his thumb, even his henchman Cad
The Bubbleheads, Part 1
Far beneath the sea in the kingdom of Maldemare, the Empress scorns the Emperor for not taking over the surface dwellers
The Bubbleheads Part 2
The Emperor and Empress of Maldamere have a scientist who has created a tidal wave making machine, and plan to use it to
The Bubbleheads Part 3
After being captured by the evil monarchs of Maldemare, Polly and the Professor are taken in front of them and learn of
The Bubbleheads Part 4
Trapped inside of the giant clam, it looks like the end of Underdog and his friends. Polly remembers to give Underdog hi
From Hopeless To Helpless, Part 1
O.J. Skweez comes to Sweet Polly Purebred with news about the Hopeless Diamond being worn at a party. Knowing that some
From Hopeless To Helpless, Part 2
Things looked bad for Polly, who's speeding down a car downward on a slope, and a wheel on the car even comes off. Fortu
From Hopeless To Helpless, Part 3
Tap Tap, disguised as Underdog, has been going all over the place committing crimes. After stealing the mayor's cigars,
From Hopeless To Helpless, Part 4
Underdog is so helpless in jail, that he began to believe that he really did do those crimes. Back at Riff Raff's hideou
Tricky Trap by Tap Tap
Underdog's double, an evil criminal, plots to steal a priceless diamond after he escapes from prison.
The Witch of Pickyoon
The Witch Of Pickyoon, Part 1
After Polly's plane crashes, Polly asks Underdog to pick some flowers while she waits under a tree she thinks is friendl
The Witch Of Pickyoon, Part 2
The witch gives Polly a potion that puts her to sleep for a thousand years, and states that only a kiss from a hero will
The Witch Of Pickyoon, Part 3
The witch reveals to Underdog the 3 tasks he must do before she awakes Polly. The first task, she tells him that the lan
The Witch Of Pickyoon, Part 4
Underdog defeats the witch and breaks the curse.
Weathering the Storm: Part One
Simon is trying out his latest evil invention, the weather making machine. This dangerous device creates artificial stor
Weathering the Storm: Part Two
Simon and Cad take over the spaceship heading for the moon, taking Polly prisoner. Sensing the danger, General Brainley
Weathering the Storm: Part Three
Simon Bar Sinister and Cad have reached the Moon and sent their ultimatum to General Brainley and to the world's leaders
Weathering the Storm: Part Four
Seeing that Simon can destroy the earth by using all of the artificially created storms at once, General Brainley convin
The Gold Bricks, Part I
Underdog is requested to deliver gold bricks from the bank to an undisclosed location. But Riff Raff and his henchman Mo
The Gold Bricks, Part 2
Unwilling to believe that Underdog is guilty of stealing the gold, Polly decides to try and find the real crooks. Her in
The Gold Bricks, Part 3
A ghost tricks Polly into entering a bottomless pit. The old haunted house is actually a hideout for Riff Raff and Mooch
The Gold Bricks, Part 4
Finally realizing that Riff Raff and Mooch are really the crooks behind the theft of the bank's gold, Underdog goes afte
The Magnet Men, Part 1
It is the day of the National Olympics, and Sweet Polly Purebred is there reporting the news to the people there and the
The Magnet Men, Part 2
Underdog arrives at the White House right as the representatives are planning for his trip, writing that it will take 14
The Magnet Men, Part 3
The Magnet Men tell Polly and Underdog, who are still stuck to what is their great gravity gun, that they are hungry and
The Magnet Men, Part 4
After the 24th hour passes, the Magnet Men switches on their gravity gun which moves the Earth from its place and far fr
Phoney Booths, Part 1
Cad, Simon Bar Sinister's henchman, replaces real phone booths with Phoney Booths. When he returns to the lab to tell hi
Phoney Booths, Part 2
More unsuspecting people fall prey to Simon's Phoney Booths. A banker steps into a booth and is ordered to bring all the
Phoney Booths, Part 3
Simon toys with Underdog who is now in his power after stepping into one of Simon's Phoney Booths. He makes him dance, b
Phoney Booths, Part 4
Simon instructs an entranced Underdog to destroy Polly. As he approaches the trapped reporter, his brain fights the mind
Pain Strikes Underdog, Part 1
Sweet Polly Purebred calls on Underdog to remind him that it's his birthday, and that she plans to give him a party. Mea
Pain Strikes Underdog, Part 2
While Underdog is in the hospital for his pain that puzzles the doctors, word of his plight reaches Riff Raff who sees t
Pain Strikes Underdog, Part 3
In order to take the swords out of the country, Riff Raff hides them in candles. Meanwhile, Sweet Polly decides to throw
Pain Strikes Underdog, Part 4
Withstanding his pain, Underdog saves Sweet Polly and captures Riff Raff, recovering the Excalibur Swords. However, one
The Molemen, Part 1
When crops from all over begin to disappear, Sweet Polly decides to visit the location of the disappearances. She falls
The Molemen, Part 2
Upon hearing Polly's cries for help, Underdog races to the her aid by burrowing down into the Earth and reaching the lai
The Molemen, Part 3
Trapped in a cocoon, Underdog instructs Polly to give him the Underdog super vitamin pill hidden in his ring so that he
The Molemen, Part 4
Underdog defeats the Mole Men.
The Flying Sorcerers, Part 1
King Cup - the evil, spoiled monarch of The Flying Sorcerers' planet - can't get cake that tastes good. So he send his s
The Flying Sorcerers, Part 2
Polly is caught by the two royals, but gets off a call to Underdog for help. After seeing his true love being captured b
The Flying Sorcerers, Part 3
Polly is brought before King Cup, and he orders Polly to bake five hundred cakes. The cakes are good, but not enough for
The Flying Sorcerers, Part 4
Underdog defeats King Cup.
The Forget-Me-Net, Part 1
Simon becomes increasingly frustrated with Underdog always stopping him in his endeavors. Cad suggests that the only way
The Forget-Me-Net, Part 2
Simon sets out to lure Underdog so that he can try his Forget-Me-Net on him. First he robs a jewelry store, encouraging
The Forget-Me-Net, Part 3
Underdog finally arrives on the scene to rescue Sweet Polly only to be caught in Simon's Forget-Me-Net. Realizing that i
The Forget-Me-Net, Part 4
After completing his giant net to cast over Washington, Simon calls upon Cad to assist in folding the net. Meanwhile, a
Whistler's Father, Part 1
At the Mid-town Modern Art Muesum, a special showing was being held for the painting "Whistler's Father." As Riff Raff s
Whistler's Father, Part 2
Riff Raff shows his newly formed gang the tactics of guerilla warfare. Sweet Polly Purebred goes to the museum where Und
Whistler's Father, Part 3
The next plan is camouflage and sabotage. They wreck the museum's equipment and disguise themselves as two columns, a st
Whistler's Father, Part 4
Riff Raff disguises himself as a museum director and hangs a bag of birdseed with a hole in it on Underdog's back. The s
Simon Says.. No Thanksgiving, Part 1
One night, in a new scheme, Simon takes Cad to a street corner where he shows him a tricky traffic light control box. On
Simon Says.. No Thanksgiving, Part 2
The next morning, the pair are stopped by a cop as they head for the street corner to push the buttons on the tricky con
Simon Says.. No Thanksgiving, Part 3
After arriving in 1621, Underdog and Sweet Polly meet the pilgrims, and Underdog proves that they're friendly when he do
Simon Says.. No Thanksgiving, Part 4
Underdog defeats Simon.
The Silver Thieves, Part 1
Armies of ghostlike creatures are stealing all of the Earth's silver. Earth's military forces and the police are powerle
The Silver Thieves, Part 2
An electric shock from one of the silver thieves paralyzes Underdog. Everyone in the city tries to revive him, but their
The Silver Thieves, Part 3
King Cumulus Regulus and his Cloudmen shock Underdog and Polly into paralyzation and the pair are placed on a conveyor b
The Silver Thieves, Part 4
Underdog saves the day
RiffRaffville, Part 1
Riff Raff and his mob have tried 9 different crimes in the last month but Underdog stopped them all. So Riff decides to
RiffRaffville, Part 2
With all the crooks in Riffraffville, Underdog does simple things like getting cats out of trees. He falls and his ring
RiffRaffville, Part 3
Underdog sets out to find Sweet Polly. He looks on a train, in a bank and at a cattle ranch. At the train and bank, his
RiffRaffville, Part 4
A western song plays during this cartoon as Riff Raff challenges Underdog to a gunfight at noon. The townspeople are too
The Tickle Feather Machine, Part 1
After many attempts of trying to take over the world failing, Simon and Cad are out of ideas. However, they spot voting
The Tickle Feather Machine, Part 2
Back at his lab, Simon will be sure that he will win even with two votes - by making sure nobody else votes. Simon tries
The Tickle Feather Machine, Part 3
Simon uses his tickle feather machine on some people that cause them to laugh. Sweet Polly notices the strange laughing
The Tickle Feather Machine, Part 4
With Simon successfully being elected as a dictator, and Underdog not being able to stop him, he demands Cad to bring hi
Underdog vs. Overcat, Part 1
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
Underdog vs. Overcat, Part 2
Polly tells Overcat about Underdog but he is not worried; he kidnaps her to milk the cows. Polly calls for Underdog. Whe
Underdog vs. Overcat, Part 3
Polly gives Underdog his energy pill and he beats Overcat's men. Next, Underdog takes Polly and the cows back to earth.
Underdog vs. Overcat, Part 4
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
The Big Dipper, Part 1
Sinister and Cad invent another evil device they call the Big Dipper, a machine that can dry up all of the world's water
The Big Dipper, Part 2
Simon and Cad have invented a device to drain off the world's water supply. The pair travels around the world and steal
The Big Dipper, Part 3
Simon and Cad have drained the Atlantic Ocean and they've defeated Underdog. They return to the USA where the people are
The Big Dipper, Part 4
Simon has finally forced the people of the city and the world to give him ultimate power. Underdog is still stuck in the
Just in Case, Part 1
The prison warden's chief officer informs him that Riff Raff is assembling a gang and is planning on escaping. They feel
Just In Case, Part 2
As Riff Raff and his newly acquired gang is being pursued by the prison guards, Shoeshine Boy is finally able to change
Just In Case, Part 3
Riff and his gang decide to rob one more vessel before they go for their biggest catch, The Queen May. But, Polly has hi
Just In Case, Part 4
Polly watches helplessly as Underdog fall victim to the witch doctor's voodoo spell. Luckily, a passing sea gull grabs t
The Marbleheads, Part 1
A strange object crash-lands on earth. A group of scientists check out the mysterious object, determining that it's a ha
The Marbleheads, Part 2
After all the reporters and news crew leave the site of the strange object, two stonehead creatures from the planet Gran
The Marbleheads, Part 3
Just before they are ready to head home with their slaves they captured with the Granite Gun, Crusher and Gravel are con
The Marbleheads, Part 4
In this final episode, Shoeshine asks for a drink of water after being placed in his cell. When he gets it from the guar
Simon Says, Be my Valentine, Part 1
Simon invents the Valentine Vault which turns people into paper valentines. He orders Cad and his two henchmen to kidnap
Simon Says 'Be My Valentine', Part 2
Shoeshine Boy sees Cad and his henchmen kidnap Polly. He must let them beat him up to protect his secret identity. He wa
Simon Says 'Be My Valentine', Part 3
Shoeshine Boy finally transforms into Underdog. He frees Polly, but she faints before warning him about the Valentine ma
Simon Says 'Be My Valentine', Part 4
Polly pulls the handcuffs off of the pole and cries over her now-paper hero. Then she hears the familiar saying, "The se
Round and Round, Pt 1
Sweet Polly is reporting a launch in space but the capsule is pulled off course to an uncharted planet. On this planet,
Round and Round, Pt 2
After returning from a strange planet and wearing a charm that the alien from the planet he brought back to Earth with h
Round and Round, Pt 3
When Underdog gets dizzy during an interview after returning from a strange planet, he is rushed to the hospital where t
Round and Round, Pt 4
In the final episode, the giant finishes toying with Underdog and bats him back to the hospital. With Underdog out of th
A New Villain, Part 1
After a violent thunderstorm ravages the city, the community gathers in front of one of the steel buildings to see a mes
A New Villain, Part 2
Flim and Polly agree that humble, loveable Shoeshine boy would be able to make sense of the riddle 'A Rhyme in Time Save
A New Villain, Part 3
The Electric Eel traps Underdog in his electric cage. As the cage closes in around him, the cage fills Underdog's body w
A New Villain, Part 4
The Electric Eel and his gang head for Washington, D.C. to take over the country. But Underdog is on the mend; the water
Batty Man, Part 1
A series of crimes are being perpetrated all over the country. Underdog tries to solve them, but finds no clues as to wh
Batty Man, Part 2
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
Batty Man, Part 3
Batty Man has captured Polly and Underdog. The villains raid Fort Knox, returning to Batty Man's castle with the plunder
Batty Man, Part 4
Polly and our hero have been placed onto the conveyor belt of Batty Man's bowling ball presser. The steam from the machi
The Vacuum Gun, Part 1
Simon Bar Sinister makes a vacuum gun which he uses to catch Riff Raff, Electric Eel, Batty man and all of their men for
The Vacuum Gun, Part 2
Sweet Polly is captured by Simon and calls for Underdog. Unfortunately, his energy was drained from saving the ship so h
The Vacuum Gun, Part 3
Underdog's ring has fallen off his finger; Polly dives underwater to find it. Meanwhile, Simon and his army are using th
The Vacuum Gun, Part 4
Polly finds Underdog's ring. He takes his energy pill then defeats Electric Eel, Riff Raff and Batty Man. Simon uses his
Phoney Booths, Part 1
Cad, Simon Bar Sinister's henchman, replaces real phone booths with Phoney Booths. When he returns to the lab to tell hi
Phoney Booths, Part 2
More unsuspecting people fall prey to Simon's Phoney Booths. A banker steps into a booth and is ordered to bring all the
Phoney Booths, Part 3
Simon toys with Underdog who is now in his power after stepping into one of Simon's Phoney Booths. He makes him dance, b
Phoney Booths, Part 4
Simon instructs an entranced Underdog to destroy Polly. As he approaches the trapped reporter, his brain fights the mind
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