Anything at all SF related
Avon (from Blake's 7 - my hero 
Babylon 5 - which I finally got to see in full last year
Close Encounters of the Third Kind
I wonder how many sacks of spuds were used to make the potato mountain?
Dark Star - the one with the suicidal atomic bomb......
ET
Farscape! I never got to see how that turned out.
Ghostwatch - a "ghost hunting" program made by the BBC back in the early 90's
L Ron Hubbard - in the news at the moment for Scientology Fiction, but originally an SF writer 
Isaac asimov - one of the great SF writers
Jurassic Park
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