Nintendo Cereal System

 is a breakfast cereal produced by. It began production in 1988 and was discontinued in 1989. It is named after the Nintendo Entertainment System, and it promoted both Super Mario Bros. and The Legend of Zelda. The cereal box has two vertical bags inside, dividing the cereal into halves: The left half is the "Super Mario Bros. Action Series," and the right half is the "Zelda Adventure Series." The "Super Mario Bros. Action Series" has fruity-flavored Marios, Mushrooms, Goombas, Koopa Troopas, and King Koopas. The "Zelda Adventure Series" has berry-flavored Links, hearts, boomerangs, keys, and shields.

Included in every box of Nintendo Cereal System was a sticker of a Nintendo character, and the back of every box had a set of twelve trading cards called "Nintendo Power Cards." The boxes also had offers to win a Nintendo Entertainment System Power Set or a Super Mario Bros.-themed. Ralston Purina also produced the Donkey Kong and Donkey Kong Junior breakfast cereals.

In the live-action segment "Bats in the Basement" of The Super Mario Bros. Super Show!, a box of Nintendo Cereal System can be seen as Mario and Luigi discuss their new roommate, Count Zoltan Dracula, over breakfast.