"The Man From UNCLE" is the latest television series to hit the big screen.

Director Guy Ritchie's take on the 1960s spy series, which stars Henry Cavill and Armie Hammer, joins a long list of network and cable offerings to find a second life at a theater near you. From "Mission: Impossible" to "Star Trek," audiences can't seem to get enough of small-screen fare at the box office.

Before you brave the Cold War spy thriller, here are 21 movies based on TV shows that you need to see.