Some movies deserve to be lauded for their contribution to the very medium of filmmaking, whether due to technical prowess or cultural innovation.

Watching a fast-paced movie can be both exhausting and a blast, as classics like Kill Bill: Vol. 1, Goodfellas, and Run Lola Run all go to show.

From killer robots to mind-bending journeys to the stars, these are the 10 best sci-fi movies of all time and where you can watch them ...