Note that in this list, the titles of the animated segments are listed first, and the live-action segments' titles are listed second.
Mario and Luigi get an obsession with neatness and demonstrate to Nicole Eggert how to unclog a sink.
A Birdo mistakes Toad for her missing baby and kidnaps him, thus Mario, Luigi and Princess Toadstool must rescue him, while avoiding Koopa's attacks.
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.
In the Wild West, Koopa has kidnapped Princess Toadstool, so Mario, Luigi and Toad try to rescue her.
When Princess Toadstool winds up as the wench of an evil sultan, the Mario Bros. and Toad try to rescue her with the help of a bitter genie.
Mario and Luigi help a certain Mark Twang win a riverboat race against Koopa.
Koopa hosts a fake spaghetti dinner to trap Princess Toadstool and Toad, then forces the Mario Bros. to fight backTryclyde.
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.
When Mario and Co are imprisoned by the obnoxious Queen Rotunda, and after eating Mario's spicy ice cream, the queen accidentally drinks a love potion that makes her fall in love with Mario.
Mario and Luigi enter a BMX race against Mouser, Tryclyde and a Koopa Troopa so that they can win the prize money.
Mario's group must free the natives of the planet Quirk from being Koopa's slaves.
While venturing through the Amazon Jungle to find a witch doctor, Mario, Luigi and Toad are hit with itching powder.
Mario and Luigi meet up with another lost plumber from Brooklyn, who offers them the chance to return home.
Koopa's road gang has stolen all the spaghetti sauce in Car Land, so Mario's group must work to get it back.
Mario and Luigi retrain an out-of-shape hero so that he can reclaim the stolen Great Balls of Fire from Koopa.
Mario's group enter a castle in Turtlevania, where Koopa and his minions are all monsters.
Koopa kidnaps Princess on the high seas so that he can auction her off. Mario, Luigi and Toad must pose as pirates to rescue her.
Princess Toadstool falls into Koopa's Fountain of Youth and turns into a baby. Mario, Luigi and Toad must babysit her until they can get her back to normal.
Mario becomes a detective to find the missing Herlock Solmes, and to stop Koopa from flooding the city of Victoria.
Romano and Joliet are unable to get married due to the feud going on between their fathers, which Koopa secretly started.
Koopa and Fryguy use a fake volcano god to trick a tribe of islanders into sacrificing Princess.
Mario's group teams up with Hooded Robin to reclaim all the gold coins that Koopa stole from a village.
After eating Super Sushi, Koopa has grown enormous, and is terrorizing the city of Sayonara.
Koopa takes over Rapland and hypnotizes everyone into giving him their money.
When Mario's group accidentally discovers a cavern full of gold coins, Koopa finds out and forces the local villagers and Toad to mine them all for himself.
Mario retells the story of how he and Luigi became plumbers back in Brooklyn.
Mario's group tries to save Aqualand from Koopa's reign.
Koopa uses a robo suit to kidnap Princess Toadstool and Toad. The suit's inventor then builds Mario and Luigi a suit of their own so they can fight Koopa.