In Mark Twain's "A Connecticut Yankee in King Arthur's Court," a 20th-century New Englander finds himself facing off against Merlin the Magician after he is thrust back in time to the days of King Arthur. Boris Karloff and Thomas Mitchell star in this installment of "Studio One in Hollywood." Then, "The Adventures of Huckleberry Finn" brings Huck and Jim's Mississippi River exploits vividly to life. This entertaining episode of "Climax!" stars Charles Taylor, John Carradine, and Mitchell. 104 min. total. Standard; Soundtrack: English; theatrical trailers. Plays All Regions.