Kootie Pie steals Mama Fireplant, and Mario, Luigi, Princess Toadstool and Yoshi must go to Ice Land, where Yoshi must overcome his fear of water to rescue his friends and save Mama Fireplant from being extinguished forever. //A pitstop on the world of Nottingham to fix the warp wagon teams Kevin and Kid Icarus with Robin Hood and his Merry Men to halt the devilish deeds of the Sheriff.

Mario "invents" the wheel, and the Cave People discover traffic jams and fender benders. Frustrated, they banish Mario and Luigi to Lava Land. // On the hoopy world of Hoopland, Kevin, Lana and Larry Bird find themselves in a race against a real-live Clockman.

To feed his hungry evil dinosaurs, King Koopa lures the cave people to a prehistoric circus at the Neon Castle with his Flying Clown Head and Mario, Luigi, Princess Toadstool and Yoshi must rescue them. // When the Poltergeist King accuses Simon's great grandfather of being a coward, it takes all the bite out of the egotistical vampire hunter.

A Koopa Wizard captures Mario, Luigi, Princess Toadstool as they search for Oogtar, a brash cave kid who's lost in the Enchanted Forest. // Responding to an SOS from the world of Tetris, Kevin, Lana and Simon must face off with an army of humanoid Tetris blocks, controlled by a nasty Puzzle Wizard with a cracked sense of humor.

King Koopa opens a Fast Food Stand serving Egg Scoopa Koopa sandwiches which are highly addictive and turn his consumers into Chickadactyls! Luckily Mario hates eggs. // Mother Brain, Eggplant Wizard and King Hippo warp the N-Team and Bo Jackson inside Baseball World, then move into the palace with Princess Lana as their unwilling lady-in-waiting.

Mario decides to bring Christmas to the Cave People. // Mega rat Dr. Wiley pretends to reform his evil ways to steal Dr. Right's new peace-keeping robot.

After being scolded by Mario and Luigi, Yoshi runs away and joins a motorcycle-riding evil dinosaur gang who use him to kidnap the Mario Brothers for King Koopa. // His envy of the reigning Prince of Final Fantasyland makes Captain N susceptible to the spell of an elfin "fairy godfather" who promises to grant his every wish.

Mario invents the telephone so the Cave People will have a 911 line for emergencies. But the Cave People spend all their time talking on the phone and Dome City starts to fall apart from neglect. // Luigi teaches farming to the Cave People, with mixed results. But when the crops grow, King Koopa's Nintendo Gophers steal all the crops and put Fire Plants and Pirhana Plants in their place.

King Koopa invents Television! He sells them TV sets to watch at home but each TV contains a Koopa Wizard that casts an evil spell over them! // When Luigi is turned into an egg and Yoshi mistakes him for a football, Yoshi leads Mario on a madcap chase through Dinosaur World. When the KOOPAS join in, it becomes the biggest, wildest football game of Mario’s life.

Princess Toadstool starts a school with Yoshi and Oogtar...an Hip & Hop (over King Koopa objections) as her first students. // Luigi tells Yoshi, in flashback, how Luigi rescued Yoshi as an egg, how Baby Yoshi thought Luigi was his mother, and how Baby Yoshi helped Luigi and Mario rescue Princess Toadstool from King Koopa and became their permanent ally.