The series centers on Mario, Luigi and Princess Toadstool, now living in Dinosaur Land (sometimes also called Dinosaur World) with Yoshi, who is depicted on the show as a curious childlike dinosaur with a large appetite and several phobias. King Koopa (otherwise known as Bowser) and the Koopalings were also around, having followed the Super Mario Bros. and the Princess to Dinos...
The Adventures of Super Mario Bros. 3 focuses on Mario, Luigi, Toad and Princess Toadstool, who reside in the Mushroom World. Most of the episodes revolve around the four characters' efforts to prevent the attacks made by King Koopa and his seven Koopalings to take over Princess Toadstool's Mushroom Kingdom.