Nightmare at 20,000 Feet

"Nightmare at 20,000 Feet" is a 1963 episode of the American television anthology series The Twilight Zone, based on the short story of the same name by Richard Matheson. Bob Wilson (William Shatner) is a salesman on an airplane who notices a gremlin on the wing of the plane during mid-flight. Bob tries to alert his wife and the flight crew to the gremlin's presence, but every time someone else looks out the window, the gremlin leaps out of view, so nobody believes Bob's seemingly outlandish claim; his credibility is further marred by the fact that this is his first flight since his nervous breakdown six months earlier, which also occurred on a plane. Bob realizes that his wife is starting to think he needs to go back to the sanitarium,...