When Peach wears a new blue dress for Yoshi's birthday party, things start going wrong. Peach starts acting strange, and a certain guest at the party may have a thing to do with it. Mario and Luigi won't find themselves partying too hard in this classic caper. Written by Holly Armstrong and Teddy Armstrong.

In this final episode, Peach is captured by Bowser yet again, but this time the Mario Bros. decide not to rescue her. Luigi makes a bet with Mario that Peach will annoy Bowser to the point of insanity and return her within a week's time. But will this plan really work, or will Peach forever be in the clutches of the Koopa King?

Based on the game Mario & Luigi: Dream Team. A simple vacation to Pi'illo Island turns into an adventure when Peach is captured and taken into the dream world. Things get even crazier when it is discovered that Mario can enter the dream world through Luigi's dreams! With the help of Prince Dreambert, can the Mario Bros. save Pi'illo Island?

When a shadow creature that can shape-shift crashes in Bowser's Domain, Bowser decides to use it to capture Peach. The creature becomes "Dark Toad" and infiltrates the castle. Can the bumbling Toad somehow foil his plan and save the princess? 

Everyone is thrilled when a legendary toymaker comes to the Mushroom Kingdom. Even better, he's come to show off and distribute his newest toys, which include the heroes of the Mushroom Kingdom. Everybody, even the Mario Bros, are excited for these new toys. But there might be more to this toymaker than meets the eye....

Meet Donkey Kong, Private Eye. DK gets involved in a case about a horde of stolen bananas. At first, it seems like just your ordinary case, but it quickly becomes a wild adventure which will lead DK to one of the most notorious villains. Guest stars include Diddy Kong, Dixie Kong, Baby Kong, Funky Kong, Candy Kong, and Cranky Kong. 

Everyone is spooked when people begin vanishing in the Mushroom Kingdom. After Peach vanishes too, the Mario Bros. decide to investigate and get to the bottom of this mystery. Detective Luke Overthere joins them in their search. But will they discover the truth, or will they vanish next? Get ready for a suspenseful, edge-of-your-seat episode!

When the Mario Bros. are invited to join a high society British group, they reluctantly agree to check them out. However, the two plumbers aren't sure if they fit in with all the tea-sipping, Cricket-playing, and times of gentlemanly discussion. Includes famous British gents from games as well as fiction! 

When Luigi finds an old pirate treasure map in the garden, he wants to follow it and find the treasure. Mario, however, thinks it's not real. This all changes when Captain Toad shows up and tells them that the map was left behind by Captain Jack "Cutthroat" Seaweed. The Mario Bros. excitedly join Captain Toad for this adventure, but can they really find a treasure that was buried centuries ago?

Based on the game Mario & Luigi: Partners in Time. Alien invaders have attacked the Mushroom Kingdom of the Past, so it's up to the Mario Bros. to travel back and save the day! Along the way, they'll team up with their baby selves as well as other younger versions of characters. This is one big adventure you won't want to miss! 

Mario is extremely embarrassed when he lets out his darkest secret during a dentist appointment. Luigi vows not to tell anyone, but then accidentally spills the juicy secret to Toad, who promptly tells everyone he sees. Can Mario handle such a deep, personal dilemma?

In the exciting second parter, the Mario Bros. get their revenge against the sinister Fawful, who's taken over the Mushroom Kingdom. After narrowly escaping the jaws of death, the Mario Bros. team up with Donkey and Diddy Kong to save their kingdom. But can they succeed, or is the Mushroom Kingdom doomed forever?

This bonus episode is a tribute to Super Mario Bros. 2, the strange game that included Princess Toadstool and Toad as playable characters. As the four set off for adventure, they'll come up against creepy masks, vegetables, the strange boss Birdo, and the ugly Wart. It's a classic episode of nostalgic proportions! 

Disaster strikes when Fawful returns to conquer the Mushroom Kingdom. With the help of Midbus and Bowser, almost every area of the kingdom is captured. Now it's up to Mario, Luigi, Peach, and Toad to assemble a rebel army to defeat the madman and his army. Is this the end of the Mushroom Kingdom?

When Mario and Luigi are captured by Bowser, Peach must muster all of her inner strength to go rescue them. With the help of her womanly powers (moods) and Perry the Parasol, she sets off for Vibe Island. Little does she know that Bowser has the Vibe Scepter, a powerful object which can control moods. Can Peach really save our heroes, or is this the end?

When Bowser's castle is taken over by the evil Midbus, Bowser turns to the only people he can trust to help him: the Mario Bros. But will the three be able to beat this dastardly villain? Can they even get along? Find out in this humorous upside-down episode. 

This episode tells the story of Wario Ware, Inc. How did it all happen? Well, as usual, it started with Wario being greedy. But you might be surprised how persuasive the big guy can be when he really wants something. Wario wants to make the craziest game ever, so he needs to find the craziest people ever. This one is nothing but crazy!

When Mario and Luigi find a plunger that fixes instantly with a simple touch, they decide to use it to make their job easy. But at the same time, the owners of this magic plunger are looking for their missing tool. Technical problems quickly ensue, and the Mario Bros. soon realize that they're in over their heads.

When a deadly mushroom disease sweeps across the Mushroom Kingdom, everyone gets very sick except for Mario. The famous Dr. Swall O. Pill entrusts his formula to Mario so people can get better. At the same time, Bowser swoops in to capture Princess Peach. Can Mario cure everyone in time to rescue Peach, or will the viruses ensure defeat?

This episode takes us back to 1990, when Bowser uses his family to help take over the Mushroom Kingdom. Mario and Luigi have their hands full this time, having to deal with the seven koopalings. They're the best family villain team ever, and Bowser decides to sing about it.

When Luigi wins a mansion in a contest, he and Mario go check it out. But things take a turn for the worse when Mario vanishes and Luigi discovers ghosts in the mansion! Luckily, Professor E. Gadd is there to help the young Mario Bro. Now it's up to Luigi to catch ghosts, find Mario, and get to the bottom of this ghostly problem. 

When another group of plumbers start stealing their business with the help of a TV commercial, Mario and Luigi decide to make their own commercial. With the help of Peach and Toad, they set off to make the best commercial money can buy. But will it be enough to save their careers?

When the ambassador from the Bean Bean Kingdom steals Peach's voice, Bowser teams up with the Mario Bros. to get it back. Along the way, Captain Toad and Prince Peasly (heir to the Bean Bean throne) join the crusade. Not only must they save Peach's voice, but they must also stop Fawful from getting his hands on the powerful Beanstar!