18. Colossal Fossil Surprise

Jett flies to Erfoud, Morocco, and delivers a fossil detector to a boy named Kamal. Kamal wants to find a rare fossil to complete his collection, but he's having a hard time spotting one. When the detector locates some strange shapes underground, Jett digs deep and he and Kamal find themselves in an underground lake with a live, ancient whale called a Basilosaurus!