The Adventures of Super Mario Bros. 3

Toddler Terrors of Time Travel (1x8)

Air date: Sep 29, 1990

King Koopa and Kooky are going to travel back in time to prevent the Mario Brothers from ever arriving in the Mushroom Kingdom. The Mario Brothers and Toad sneak on board the Doomship to stop them, but the time travel reverts them all into babies.