Before "Zelda" became a household name, it began as "Adventure Mario," a game that started out as giant sketches on long pieces of draft paper. But things quickly changed...

This new video game would be nothing like Super Mario Bros. It would be a vast and seemingly limitless world. A world based around a legend, and a world filled with fantasy and adventure -- a world based on the childhood of its creator.

Today, we go back to 1986 to witness the origins of The Legend of Zelda, a game originally developed for the Nintendo Famicom in Japan. But the Famicom eventually became the NES, and the Legend of Zelda became the creation that changed the history of video games forever...

• Get the first look at new episodes early, and ad-free: Patreon.com/80s