After being sucked into a drain pipe, Mario and Luigi defend the Mushroom Kingdom from King Koopa.
EPISODE 1
Neatness Counts/The Bird! The Bird!
Mario and Luigi demonstrate how to unclog a sink; a Birdo mistakes Toad for her missing baby.
EPISODE 2
Day of the Orphan/King Mario of Cramalot
Mario and Luigi take in an orphan; Mario becomes the King of Cramalot.
EPISODE 3
All Steamed Up/Butch Mario & the Luigi Kid
Mario shrinks in a steam machine; Koopa escapes to the Wild West with the princess.
EPISODE 4
Marianne and Luigeena/Mario's Magic Carpet
Marianne and Luigeena come to visit; Princess ends up as the wench of an evil sultan.
EPISODE 5
The Mario Monster Mash/Rolling Down the River
Dr. Frankenstein asks Mario and Luigi to help him with his experiment; Mario and Luigi help a certain Mark Twang win a riverboat race.
EPISODE 6
Bonkers from Yonkers/The Great Gladiator Gig
Mario gets amnesia; Koopa hosts a fake dinner.
Lou Albano
Danny Wells
Harvey Atkin
Jeannie Elias
Dan Riba