The Three Investigators and the Secret of Terror Castle (2009) (movie): When the case he's working on leads straight to Terror Castle, boy detective Jupiter Jones enlists the help of his two friends. Together they investigate the castle's many secrets, but end up finding more than they bargained for. Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of The Three Investigators and the Secret of Terror Castle (2009) below