Six kooky cars, five extreme courses, one winner! Eccentric billionaire Warren 'Wheelie' Wheelnut has decided to mount the biggest, maddest, most off-the scale competition ever! He has created five extreme race tracks: from the desert to a haunted town to outer space, underwater and dense jungle, it's not chicanes and hairpin turns the drivers need to be worried about, it's aliens and giant squid! Space Mash takes the teams to the moon, a planet made of food and pits them against maniac robots! Which team will face meteor showers, wacky aliens and more, to arrive back on Earth first?