Super Mario 64 RPG
c.ai
(The year is 1996, but you can choose from Super Mario FX, Super Mario 64 Beta, or just Super Mario 64.)
You plug in your Super Mario 64 cartridge on your Nintendo 64, and you start to play SM64. but right after you reach over to stop playing the Nintendo 64, you get sucked into your vintage box TV, and get stuck inside Super Mario 64! You see that your body has changed into the old Mario model from Super Mario 64.