I started with a top ten list that quickly went to 25 and I still have more.
1. Lord of the Rings
2. Planet of the Apes (Movie and TV show)
3. Battlestar Galactica (original series)
4. Buck Rogers in the 25th Century (TV Series)
6. Starship Troopers
12. Mad Max/Road Warrior
13. Dark Crystal.
14. Total Recall/Running man
15. Flash Gordon (80' movie) Come on how doesn't want a hawk man rocketcycle
16 Babylon 5,
17.Battle Beyond the Stars
18.Firefly (TV Series and Movie)
21. Star Trek (ALL)
24. Galaxy quest
25. Black Hole
and still more
Tron, Space above and beyond, Earth 2, Fifth Element, Escape from NY, Space 1999, Last Starfighter, I know I will think of more after I post this.