There is no question that the DeLorean time machine from Back to the Future is one of the most iconic movie cars ever created. Since the film's initial release in 1985 to now, the DeLorean time ...

Watch a clip from "Hot Tub Time Machine," in which four friends travel back to the '80s via a Jacuzzi. John Cusack, Craig Robinson, Rob Corddry and Clark Duke star. Video courtesy of MGM.com.

Fans of science fiction movies and TV know that behind aliens, space travel, and robots, time travel is, by far, one of the most beloved and often employed tropes of the genre. In fact, you could ...