YouTube — breeding ground for the Web’s wackiest and wildest viral videos — turns 5 in 2010. In recognition, TIME takes a look back at the site’s 50 greatest hits

• Charlie Bit My Finger
• Evolution of Dance
• David After Dentist
• “Here It Goes Again”
• Rickroll
• Leave Britney Alone
• Don’t Tase Me, Bro
• Keyboard Cat
• Dramatic Chipmunk
• Hitler’s Downfall
• Flea Market Montgomery
• “United Breaks Guitars”
• Kittens, Inspired by Kittens
• Potter Puppet Pals
• Jill and Kevin’s Big Day
• Sneezing Panda
• Otters Holding Hands
• Literal Music Videos
• OMG, Shoes
• Baby Laughing
• Susan Boyle’s Debut
• Miss Teen South Carolina
• Baby Bobbing to “Single Ladies”
• Zombie Kid Likes Turtles
• “Hey Jude” Kid
• “Yes We Can”
• Hillary Clinton’s 1984
• Noah’s Daily Photos
• Bank Of America’s “One”
• Grape Lady Falls!
• Randy Pausch’s Last Lecture
• Zinedine Zidane’s Head Butt
• Leprechaun Sighting
• Justin Bieber
• Daft Hands
• Auto-Tune the News
• Fred
• “Chocolate Rain”
• Will It Blend?
• “Thriller” in Manila
• Where the Hell Is Matt?
• “Lazy Sunday”
• Diet Coke and Mentos
• Obama Girl
• Lonelygirl15
• Guinness World Record: Most Shirts Worn at One Time
• Tillman, the Skateboarding Dog
• Christian the Lion
• Charlie the Unicorn
• Trapped in an Elevator

via Complete List – YouTube’s 50 Best Videos – TIME.