All the book-based movies and TV shows adapted by Jon Turteltaub, ranked

In a high-security facility for the criminally insane, the disturbed anthropologist Ethan Powell is scheduled for evaluation by a talented young psychiatrist named Theo Caulder. Fueled by his ambition and an insatiable thirst for the truth, Caulder will ultimately endanger everything, including his own life, in a courageous effort to comprehend the perplexing behaviors of this lunatic.

In 740 AD, in England, the mighty magician Merlin has three apprentices; Balthazar Blake, Veronica Gorloisen and Maxim Horvath. As Morgana attempts to kill Veronica by possessing her from within, Balthazar stops her by imprisoning Morgana and Veronica in the Grimhold, a magic prison in the shape of a nesting doll.

Rescue diver Jonas Taylor attempts to save the crew of a damaged nuclear submarine when he sees the hull being rammed by an unidentified creature. His account of the story is dismissed by fellow survivor Dr. Heller, who believes that Taylor turned coward due to induced pressure psychosis. They discover an abundance of never-before seen flora and fauna below the thermocline, but an attack by a large, unidentified creature causes the submersible to lose contact with Mana One.