Preschool stop-frame animation. Lunar Jim lives in Moonaluna, on the second to last moon of the Milky Way. Jim, Rover the robotic dog, space mechanic Ripple, space farmer Eco, Ted the clumsy robot and Pixel the main computer all enjoy extraterrestrial adventures. Eco goes on a flower-finding trip, leaving Jim, Ripple and Ted to do the chores in the Ecodome. The introduction of a new robot leads to some serious trouble when it goes on a rampage, threatening to defoliate the entire lunar surface.