Bob is building an extraordinary new cave house for sandy beach a caveman expert who's moving to the valley to study how caveman used to live. The team are all head into the mountains. At the site, dizzy decides that sandy's cave house would look much nicer with a slash of colour, and sandy agrees. Scrambler, who can't wait to do some serious mountain off- roading, is disoppointed to be given the job of finding the perfect thing to brighten sandy's cave.
