Overview:Houston's cousin Nigel is coming to visit next week all the way from England. Nigel wants to join Houston on one of his famous nature adventures. Daisy suggests Houston take Nigel on The Tough Track Adventure, a nature obstacle course happening the day that Nigel arrives. But Houston has a problem he's never been on an actual nature adventure before. He only assists his friends with their nature needs using his computer. How can he get ready for a nature adventure in a week? Never fear! Nature Cat and the gang will help!