Season 1

E1. Sneaky Lying Cheating Giant Ninja Koopas

Sep 8, 1990 · 11m

Koopa turns Kooky, Bully, Big Mouth, and Cheatsy into gigantic ninjas to apprehend Prince Hugo of Giant Land.

E2. Reptiles in the Rose Garden

Sep 8, 1990 · 12m

Koopa warps the White House, along with the President and the First Lady, to his castle and makes Kootie Pie Empress of America.

E3. Mind Your Mummy Mommy, Mario

Sep 15, 1990 · 12m

Hip and Hop kidnap the sarcophagus of a prince whom Mario resembles. Their actions awaken the prince's mother, who believes Mario is her son.

E4. The Beauty of Kootie

Sep 15, 1990 · 12m

While stealing oil from the sultan of Desert Hill, Cheatsy turns Kootie Pie into a human so she can fool Mario.

E5. Princess Toadstool for President

Sep 22, 1990 · 12m

When 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.

E6. Never Koop a Koopa

Sep 22, 1990 · 12m

In 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.

E7. Reign Storm

Sep 29, 1990 · 12m

When Princess Toadstool and Toad take a vacation in Hawaii, Kooky uses a robot princess to try and take over the Mushroom Kingdom.

E8. Toddler Terrors of Time Travel

Sep 29, 1990 · 12m

Kooky 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.

E9. Dadzilla

Oct 6, 1990 · 12m

Fed 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.

E10. Tag Team Trouble

Oct 6, 1990 · 12m

Mario 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.

E11. Oh, Brother!

Oct 13, 1990 · 12m

When Mario and Luigi get fed up with each other, Luigi soon finds himself having to save his brother from Koopa and Kooky.

E12. Misadventure of Mighty Plumber

Oct 13, 1990 · 12m

Koopa brings TV hero Mighty Plumber to life and tricks him into robbing the Pipe Land Treasury.

E13. A Toadally Magical Adventure

Oct 20, 1990 · 12m

Toad's mishandling of a magic wand belonging to the Wizard King of the West causes it to be taken by the Koopas.

E14. Misadventures in Babysitting

Oct 20, 1990 · 12m

Mario and Luigi wind up babysitting a brat from Brooklyn who finds his way into the Mushroom Kingdom.

E15. Do the Koopa

Oct 27, 1990 · 12m

Mario, 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.

E16. Kootie Pie Rocks

Oct 27, 1990 · 12m

Koopa kidnaps Milli Vanilli and forces them to perform exclusively for Kootie Pie.

E17. Mush-Rumors

Nov 3, 1990 · 12m

When a Real World family drives into the Mushroom Kingdom, the Mushroom People and the Koopas mistake them for aliens.

E18. The Ugly Mermaid

Nov 3, 1990 · 12m

While 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.

E19. Crimes R Us

Nov 10, 1990 · 12m

Koopa recruits a criminal from the Real World to teach the Koopalings how to commit crimes.

E20. Life's Ruff

Nov 10, 1990 · 12m

Hip and Hop turn Luigi and the King of Ice Land into dogs and run off to cause mayhem in Florida.

E21. Up, Up, and a Koopa

Nov 17, 1990 · 12m

Kooky uses his new "Raiser Upper" machine to levitate everything in the Mushroom Kingdom to the sky.

E22. 7 Continents for 7 Koopas

Nov 17, 1990 · 12m

After 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.

E23. True Colors

Nov 24, 1990 · 12m

Kooky 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.

E24. Recycled Koopa

Nov 24, 1990 · 12m

When the Koopalings are forced to dispose of their garbage, they have it dropped on the Mushroom Kingdom and later Brooklyn.

E25. The Venice Menace

Dec 1, 1990 · 12m

Koopa 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?

E26. Super Koopa

Dec 1, 1990 · 12m

Kooky 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.