Air date: 9/8/90

Sneaky Lying Cheating Giant Nina Koopas: Koopa turns Kooky, Bully, Big Mouth, and Cheatsy into gigantic ninjas to apprehend Prince Hugo of Giant Land.
Reptiles in the Rose Garden: Koopa warps the White House, along with the President and the First Lady, to his castle and makes Kootie Pie Empress of America.

Reign Storm/Toddler Terrors of Time Travel

Air date: 9/29/90

Reign Storm: When Princess Toadstool and Toad vacation in Hawaii, Kooky uses a robot princess to try and take over the Mushroom Kingdom.
Toddler Terrors of Time Travel: Kooky and Koopa try to go back in time to stop the Mario Bros. from ever going down the drain in Brooklyn, but their plan backfires, turning them all into babies.

Mind Your Mummy Mommy, Mario/The Beauty of Kootie

Air date: 9/15/90

Mind Your Mummy Mommy, Mario: 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.
The Beauty of Kootie: While stealing oil from the sultan of Desert Hill, Cheatsy turns Kootie Pie into a human so she can fool Mario.

A Toadally Magical Adventure/Misadventures in Babysitting

Air date: 10/20/90

A Toadally Magical Adventure: Toad loses a magic wand to the Koopas.
Misadventures in Babysitting: Mario and Luigi wind up babysitting a brat from Brooklyn who finds his way into the Mushroom Kingdom.

Oh, Brother!/Misadventure of Mighty Plumber

Air date: 10/13/90

Oh, Brother! When Mario and Luigi get fed up with each other, Luigi soon finds himself having to save his brother from Koopa and Kooky.
Misadventure of Mighty Plumber: Koopa brings TV hero Mighty Plumber to life and tricks him into robbing the Pipe Land Treasury.

Princess Toadstool for President/Never Koop a Koopa

Air date: 9/22/90

Princess Toadstool for President: When Princess Toadstool challenges Koopa to an election over leadership of the Mushroom Kingdom, Kooky uses a nice guy potion on Bowser to make all the voters like him.
Never Koop a Koopa: Koopa surrenders his castle to Princess Toadstool, but she and Mario quickly learn it was just a ploy to trap them.

Dadzilla/Tag Team Trouble

Air date: 10/6/90

Dadzilla: 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.
Tag Team Trouble: 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.