"The Haunted Castle" is the thirteenth and final episode of the animated series Butch Cassidy and the Sundance Kids. It originally aired on NBC on December 1, 1973.
Plot[]
When Wally is informed that his uncle passed away, he also learns that he inherited his castle, so the Sundance Kids head to the British Isles to hold a benefit concert to restore it. However, some strange happenings lead some of the band to suggest that Wally's new castle might be haunted.