Books: 1.The Lord of the Rings
(I know it tops the official list, but it also tops my fannish list. It IS my OTF)

Book series:
2. The Warlock Series by Christopher Stasheff
3. The Lord Darcy Series by Randall Garrett (continued by Michael Kurland)
4. The Deryni Series by Katherine Kurtz

TV shows:
5. Star Trek (in all its permutations)
6. Doctor Who
7. Beauty and the Beast
8. Buffy the Vampire Slayer

Movie:
9. Star Wars: Episode IV (the original first one)

Fan fiction:
10. A Secret Gate by Elanor