This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!Buzz·Posted on Jan 26, 201420 Of The Best Movie And TV Spoilers Of All TimeIt should go without saying, but SPOILER ALERT!by Blanche DeverauxCommunity ContributorLinkFacebookPinterestTwitterMail 1. The Sixth Sense Tap to play GIF Tap to play GIF 2. Harry Potter and the Half-Blood Prince Tap to play GIF Tap to play GIF 3. Breaking Bad, season 4 Tap to play GIF Tap to play GIF 4. The Empire Strikes Back Tap to play GIF Tap to play GIF 5. The Crying Game Tap to play GIF Tap to play GIF 6. Lost, Season 6 7. The Usual Suspects Tap to play GIF Tap to play GIF 8. Citizen Kane Tap to play GIF Tap to play GIF 9. Friday the 13th Tap to play GIF Tap to play GIF 10. Donnie Darko Tap to play GIF Tap to play GIF 11. Game of Thrones, season 1 Tap to play GIF Tap to play GIF 12. Game of Thrones, season 3 Tap to play GIF Tap to play GIF 13. Buffy the Vampire Slayer, season 5 Tap to play GIF Tap to play GIF 14. Fight Club Tap to play GIF Tap to play GIF 15. The Walking Dead, season 2 Tap to play GIF Tap to play GIF 16. Mad Men, season 5 Tap to play GIF Tap to play GIF 17. Downton Abbey, season 3 Tap to play GIF Tap to play GIF 18. Lost, season 1 19. Planet of the Apes Tap to play GIF Tap to play GIF 20. Dallas season 4