Biker Mice From Mars 2006 Episode 6 - Between Rump and a Hard Race Episode Title:Between Rump and a Hard Race.Episode Description:Ronaldo Rump launches his Regenerator into orbit over the Arctic Nature Preserve, planning to turn acres of natural wilderness into Rump Amusement Park! It is up to the Biker Mice to foil Rump's evil plot and preserve this important animal habitat, while taking on the world's top motocross racer on a track designed to keep the best bikers in the world struggling to stay aboard!