J.i.'s Wacky World follows the story of a grey-blue-wearing alien, J.i. Blue and his little sister, a dark grey-pink-wearing alien T.B., pink, crash-landed on Earth after a hide-and-seek game gone wrong. Now the two siblings try to explore Earth with their orange-dressed friend Emily Rabbit alongside them to get them out of certain situations they cause while trying to adapt to their new habitat while encountering mad scientists, government agents, and more monsters and villains that invade the town. J.I. and T.B. try anything they can to repair their ship and get back to their home planet.