Season 1
26 episodes · Sep 8, 1990
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S1E1Sneaky Lying Cheating Giant Ninja Koopas
Sep 8, 199011mKoopa turns Kooky, Bully, Big Mouth, and Cheatsy into gigantic ninjas to apprehend Prince Hugo of Giant Land.
S1E2Reptiles in the Rose Garden
Sep 8, 199012mKoopa warps the White House, along with the President and the First Lady, to his castle and makes Kootie Pie Empress of America.
S1E3Mind Your Mummy Mommy, Mario
Sep 15, 199012mHip and Hop kidnap the sarcophagus of a prince whom Mario resembles. Their actions awaken the prince's mother, who believes Mario is her son.
S1E4The Beauty of Kootie
Sep 15, 199012mWhile stealing oil from the sultan of Desert Hill, Cheatsy turns Kootie Pie into a human so she can fool Mario.
S1E5Princess Toadstool for President
Sep 22, 199012mWhen Princess Toadstool challenges Koopa to an election over leadership of the Mushroom Kingdom, Kooky uses a nice guy potion on Koopa to make all the voters like him.
S1E6Never Koop a Koopa
Sep 22, 199012mIn order to show Cheatsy how to be just as rotten as he is, Koopa lures Mario and friends to his castle and threatens to blow them up using a big army of Bomb-Ombs.
S1E7Reign Storm
Sep 29, 199012mWhen Princess Toadstool and Toad take a vacation in Hawaii, Kooky uses a robot princess to try and take over the Mushroom Kingdom.
S1E8Toddler Terrors of Time Travel
Sep 29, 199012mKooky and Koopa try to go back in time to stop the Super Mario Bros. from ever going down the drain in Brooklyn, but their plan backfires, turning them all into babies.
S1E9Dadzilla
Oct 6, 199012mFed up with Koopa's ways, Kootie Pie and Big Mouth bring a Hollywood movie monster to life and convince him he's their real dad.
S1E10Tag Team Trouble
Oct 6, 199012mMario and Luigi enter a wrestling match so they can give the prize money to Toad to make up for a donation to the Mushroom Orphanage he believes he lost.
S1E11Oh, Brother!
Oct 13, 199012mWhen Mario and Luigi get fed up with each other, Luigi soon finds himself having to save his brother from Koopa and Kooky.
S1E12Misadventure of Mighty Plumber
Oct 13, 199012mKoopa brings TV hero Mighty Plumber to life and tricks him into robbing the Pipe Land Treasury.
S1E14Misadventures in Babysitting
Oct 20, 199012mMario and Luigi wind up babysitting a brat from Brooklyn who finds his way into the Mushroom Kingdom.
S1E15Do the Koopa
Oct 27, 199012mMario, Luigi, Toad, and Princess Toadstool seek the Doom Dancer Music Box in Koopa's Castle, but when the Koopas find out, they go after it themselves.
S1E16Kootie Pie Rocks
Oct 27, 199012mKoopa kidnaps Milli Vanilli and forces them to perform exclusively for Kootie Pie.
S1E17Mush-Rumors
Nov 3, 199012mWhen a Real World family drives into the Mushroom Kingdom, the Mushroom People and the Koopas mistake them for aliens.
S1E18The Ugly Mermaid
Nov 3, 199012mWhile wearing a Frog Suit, Mario almost drowns, but he is saved by Holly Mackerel, a mermaid princess. Holly falls in love with Mario and tries to marry him.
S1E19Crimes R Us
Nov 10, 199012mKoopa recruits a criminal from the Real World to teach the Koopalings how to commit crimes.
S1E20Life's Ruff
Nov 10, 199012mHip and Hop turn Luigi and the King of Ice Land into dogs and run off to cause mayhem in Florida.
S1E21Up, Up, and a Koopa
Nov 17, 199012mKooky uses his new "Raiser Upper" machine to levitate everything in the Mushroom Kingdom to the sky.
S1E227 Continents for 7 Koopas
Nov 17, 199012mAfter trapping the Super Mario Bros. and Toad in the Mushroom World, Koopa orders his kids each to take over one of Earth's seven continents.
S1E23True Colors
Nov 24, 199012mKooky and Cheatsy use a special paint to turn all the Mushroom People either red or blue and trick the two colors into hating each other.
S1E24Recycled Koopa
Nov 24, 199012mWhen the Koopalings are forced to dispose of their garbage, they have it dropped on the Mushroom Kingdom and later Brooklyn.
S1E25The Venice Menace
Dec 1, 199012mKoopa gets another present for Kootie Pie - this time he plans to use his Doom Sub to chase everyone out of Venice, Italy then warp the entire city to Dark Land so Kootie Pie can have her own water park. The Mario Bros. are approached in Desert Land by an Italian gondolier and since Mario has a passion for the country of Italy, they couldn't resist. Armed with Frog Suits, can they stop Koopa in time?
S1E26Super Koopa
Dec 1, 199012mKooky has developed a pendant for King Koopa that will grant him the powers of the Mario brothers, but it can only be used in the real world. Koopa uses that to his advantage and lures his unsuspecting enemies into the real world using Luigi as bait. But the Princess manages to contact Toad, who races to get as many power ups to the Mario brothers in time.