TV Guide Sky History Thursday

Flying solo, Mike heads to the California castle home of the Great Razooly - a sculptor, entrepreneur and horror icon, whose one-of-a-kind collection includes monsters, gargoyles and a custom rocket ship on the front lawn

Dan Jones explores the history of York Castle, built on the orders of William the Conqueror and once the regional seat of British government. The castle has also been used as a prison and a royal mint, and in 1308, 25 Knights Templar were jailed there and examined on charges of heresy, idolatry and other crimes. The castle was also where Dick Turpin was held prior to his execution in 1739 and Dan tries to separate fact from fiction regarding the many myths to have developed about the infamous highwayman

Troy's grandsons report strange bites on their legs while swimming at a beloved swimming hole. A concerned Troy enlists the help of his friend, Don, to track down the mysterious culprit

The remaining three survivalists continue to push their limits as they reach nearly a month in the Great Karoo Desert. One participant loses the use of a major tool and all their hope along with it, while another faces a major setback