Season 01
Koopa and Fryguy use a fake volcano god to trick a tribe of islanders into sacrificing Princess. Featured song: Hot Hot Hot (Buster Poindexter) Luigi buys a watch that runs backwards from a mysterious salesperson. Soon, he does everything backwards, even eating.
All Episodes - S01
EPS01
While crossing the Land of Ice, Toad gets kidnapped by a Giant Birdo who thinks the Mushroom is her missing baby.
EPS02
A girl called Patty arrives at Mario and Luigi's claiming to be an orphan without a family or a place to go, so the plumbers invite her in for a stay. Mario becomes the King of Cramalot in order to drive out Koopa's forces. Episode is based on The Sword in the Stone. Featured song: Bad (Michael Jackson) The Super Mario brothers are spoiling Patty, when her parents show up, ashamed that she's been taking the plumbers for granted, but they enjoy a family reunion.
EPS03
With the help of the wizard Mervin, Mario pulls the Golden Plumber's Helper from the magic sink and saves the Land of Cramalot from evil King Koopa.
EPS04
In Marianne & Luigeena, Lyle is invited to a lunch with the Mario Bros, but their sisters are also coming, while in Mario's Magic Carpet, the sultan makes Mario, Luigi and Toad into slaves while he sells the Princess which only a magic lamp can save them.
EPS05
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EPS06
Mario and Luigi help a certain Mark Twang win a riverboat race against Koopa. Featured Song: Proud Mary (Creedence Clearwater Revival) Dr. Frankenstein asks Mario and Luigi to help him with his experiment in promising his monster a normal brain. While laying down to take a nap, Mario gets caught up in the experiment and his brain gets switched with the monster's.
EPS07
Our heroes think they are going to a benefit Spaghetti Dinner at the Linguini Empire Colosseum, but it's all a plot by the evil Emperor Augustus Septemberus Octoberus Koopa to feed the Marios to the lions.
EPS08
Mario and Luigi trade Princess Toadstool's cow for garbanzo beans. The beans grow into a beanstalk, leading the group to a castle in the sky owned by a giant Koopa. Episode is based on Jack and the Beanstalk. Featured song: I Heard it Through the Beanvine (a slightly altered version of I Heard It Through the Grapevine) (Marvin Gaye) A vampire (Jim Ward) arrives from Transylvania as a foreign exchange student.
EPS09
The dreaded Queen Rotunda of Rotundaland falls in love with Mario when she mistakenly drinks a love potion and tries to force him into marriage.
EPS10
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EPS11
To save Toad's life, Mario and Luigi are tricked into a disaster-strewn Boy's Motor Cross bicycle race with three of Koopa's sneakiest minions.
EPS13
Koopa forces the brilliant scientist Dr. Nerdnick to turn him into a half-robot, half-Koopa monster.
EPS14
Our heroes are lured into a spooky castle in the Land of Turtlevania where Count Koopula plans to turn the Princess into a spaghetti-sauce-sucking vampire.
EPS15
Mario, Luigi, The Princess, and Toad hack their way through the Ama-Zone Jungle searching for Sheldon the Witch Doctor, but Koopa gets to him first.
EPS16
Mario and friends must stop King Koopa after he has stolen all the spaghetti sauce in Car Land.
EPS17
The Marios seek the help of the legendary hero Hercufleas, but find it's the hero himself who needs help to recover the "Great Balls of Fire" stolen by King Koopa.
EPS18
Mario's group enter a castle in Turtlevania, where Koopa and his minions are all monsters. Episode is based on Count Dracula. Featured song: Thriller (Michael Jackson) Magician Harry Blackstone Jr. visits Luigi.
EPS22
When Professor Koopa-arity kidnaps the brilliant criminologist Herlock Sholmes, the Marios turn detective.
EPS23
Koopa threatens to turn the Marios into rocks unless Princess Toadstool agrees to marry him.
EPS24
King Koopa acquires a magic flute that makes him irresistible to the children of Pastaland and he leads them all to his castle until the Marios come to their rescue.
EPS25
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EPS26
Dr. Koopenstein starts the trouble by trying to steal the Marios' brains for his new invention, and then he really turns into a monster.
EPS27
When Princess Toadstool's chief spy (James Blond) is zapped by Koopa, Mario and Luigi turn secret agent.
EPS28
Romano and Joliet are unable to get married due to the feud going on between their fathers, which Koopa secretly started. Episode is based on Romeo and Juliet. Featured song: That's Amore (Dean Martin) A schemer (Vic Dunlop) in order to get rich quick pretends to be Mario and Luigi's missing brother.
EPS29
Koopa and Fryguy use a fake volcano god to trick a tribe of islanders into sacrificing Princess. Featured song: Hot Hot Hot (Buster Poindexter) Luigi buys a watch that runs backwards from a mysterious salesperson. Soon, he does everything backwards, even eating.
EPS31
The Marios arrive in Sharewood Forest and help the Hooded Robin recover the gold coins that the rich Sheriff of Koopingham has stolen from the poor.
EPS32
Our heroes travel to Oceanworld where they discover Captain Koopa-Nemo is using a super submarine to terrorize the Mushroom People.
EPS33
When a Leprechaun our heroes meet in Shamrock Land asks them to help recover his Pot O'Gold Coins stolen by Koopa, the Marios can only say "yes".
EPS34
After eating Super Sushi, Koopa has grown enormous, and is terrorizing the city of Sayonara. Episode is based on Godzilla. Featured song: The Jolly Green Giant (The Kingsmen) Mario and Luigi, anxious to find out what prize they won in a sweepstakes, consult a fortune teller (Kay Ballard) for help.
EPS36
When the evil Koopa Claus (Bah Humkoop!) tries to stop Christmas, the Marios come to Santa's rescue and Toad learns the true spirit of giving.
EPS37
When Koopa teams up with the dreaded sky turtle Lakatu, our heroes head for an aerial dogfight in their flying carpet biplane.
EPS38
Mario and his friends travel to Mobsterland where they discover the city is being terrorized by the notorious gangster Al Koopone.
EPS39
Koopa kidnaps the King of Rapland where everyone speaks in rap rhyme and it's up to the rapping Marios to save the day.
EPS42
Our heroes travel to Desertland where they discover Koop-Tut has enslaved the Desertlanders and is enforcing an evil set of rules known as the Ten Koopmandments.
EPS43
Our heroes come to the rescue of General George Washingtoad by helping him cross the Delawide River to defeat the Redcoat Koopa's army.
EPS44
When King Koopa holds the Princess captive in his impregnable island fortress, the Marios get inside by hiding in a wooden "Trojan Koopa."
EPS45
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EPS46
When Caveman Alley Koopa poisons Mario, his three friends have to find a way to make pre-historic pizza to save his life .
EPS47
The Marios discover the Mother Lode of Gold Coins, but -- Klaimjump Koopa rides in and takes over.
EPS48
The Marios, the Princess, and Toad arrive in Sock Hop Land to save the music king Elvin Parsley from Greaser Koopa.
EPS49
In a flashback to their days of Basic Draining at the Brooklyn Academy of Plumbing, Mario and Luigi tell of their troubles with Drain Sergeant Kooperman and why the President of the United States called them to the White House.
EPS50
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EPS51
When Koopa kidnaps Princess Toadstool and Toad, Mario and Luigi turn to a karate master for help. Featured song: Kung Fu Fighting (Carl Douglas)
EPS52
Mario loses his memory in the middle of the jungle and is adopted by two apes who rename him Marzan.