Myth Hunters (2012)

Season 1: Episode 3

Richard Knight has traveled the world as an actor, entertainer and odd-job man. But then the story of Captain Kidd's pirate treasure wouldn't let him go. He discovered marked maps in Kidd's estate and located the probable treasure island: Hon Tre Lon. However, this belonged to communist Vietnam. Knight and his partner Fred Graham were caught trespassing and arrested. After 14 months, Knight was finally released after a ransom was paid. However, he did not give up hope for the treasure.