After a terrible disaster, 10 year old Loop and his 12 year old sister, Switch, are left alone on an alien planet with only their 3 robot parents for company. Together they must find a way to escape the planet and return to Earth. After having lost his own legs during the accident Loop was given powerful robotic legs by his robot parents. Switch is a genius engineer and programmer. The three bots, Cody, Moby and Ruby are able to swap body parts and combine them in new ways to solve whatever challenges come their way.