Blizzard Challenge: Olly hates activity camp and its pointless activities. But when Olly gets given a magical compass he's magically transported to a high mountain range where he meets survival expert Bear Grylls. Can his adventure with Bear Grylls change Olly's mind about teamwork and perseverance? Desert Challenge: Sophie loves activity camp, but is terrified of insects. Then, when she's given a compass by one of the other boys on the campsite, Sophie is magically transported to the desert where giant camel spiders, deadly scorpions and sandfish are impossible to avoid! With the help of survival expert Bear Grylls, will Sophie overcome her fear of insects back in the real world?