A film about aliens watching a film...?

[fotografics]

I saw a film on sky which was a film within a film. Basically you saw the silhouette of aliens sitting in a cinema watching an old sci-fi film and commenting on it.

Any idea what it might be?

[Davethedog]

I think this is what your after - Mystery Science Theater 3000


http://en.wikipedia.org/wiki/Mystery_Science_T heater_3000

[fotografics]

Yup, that's it, thanks very much.