YouTube's 50 Best Videos

YouTube — breeding ground for the Web's wackiest and wildest viral videos — turns five in 2010. In recognition, TIME takes a look back at the site's 50 greatest hits.

1. Charlie Bit My Finger
2. Evolution of Dance
3. David After Dentist
4. "Here It Goes Again"
5. Rick Roll
6. Leave Britney Alone
7. Don't Tase Me, Bro
8. Keyboard Cat
9. Dramatic Chipmunk
10. Hitler's "Downfall"
11. Flea Market Montgomery
12. United Breaks Guitars
13. Kittens Inspired by Kittens
14. Potter Puppet Pals
15. JK Wedding Dance
16. Sneezing Panda
17. Otters Holding Hands
18. Literal Music Videos
19. OMG, Shoes
20. Baby Laughing
21. Susan Boyle's Debut
22. Miss Teen South Carolina
23. Baby Bobbing to "Single Ladies"
24. Zombie Kid Likes Turtles
25. "Hey Jude" Kid
26. "Yes We Can"
27. Hillary Clinton's 1984
28. Noah's Daily Photos
29. Bank Of America's "One"
30. Grape Lady Falls!
31. Randy Pausch's Last Lecture
32. Zinedine Zidane's Headbutt
33. Leprechaun Sighting
34. Justin Bieber
35. Daft Hands
36. Auto-Tune the News
37. Fred
38. Chocolate Rain
39. Will It Blend?
40. Thriller in Manila
41. Where the Hell Is Matt?
42. Lazy Sunday
43. Diet Coke and Mentos
44. Obama Girl
45. Lonelygirl15
46. Guinness World Record: Most Shirts Worn at One Time
47. Tillman, the Skateboarding Dog
48. Christian the Lion
49. Charlie the Unicorn
50. Trapped in an Elevator

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