I can't decide which I like more, the new season of Lost where people on a jet airliner inexplicably travel back in time, or this 1961 episode of the Twilight Zone where people on a jet airliner inexplicably travel back in time:
[Strangely you can watch it fine here but I can't embed it!]
Trivia: The episode's wiki page notes that there is a major scientific inaccuracy in the episode. Shortly before they spot the Brontosaurus, Flight 33's crew identify the contours of Manhattan island. But Manhattan didn't exist hundreds of millions of years ago because of continental drift. While dinosaurs may not have technically roamed New York City, mastodons probably did.