It’s the Trending Now Top 5 Countdown for October 2, 2012, where we gather the hottest and most outrageous MUST-SEE YouTube videos hitting the Web today and send them all straight to your screen. It’s like watching the best of YouTube — only faster!

From a Taiwanese animation of Bieber vomiting to Cartoon Network’s anniversary music video to a Gangnam Style acoustic and a cappella, we have you covered right here on What’s Trending.

For daily YouTube Trends and celebrity interviews, watch us every weekday at noon PT/3 pm ET on YouTube!

#5: Gangnam Style Acoustic Cover / CPDRC Inmates Gangnam Style / Pentatonix Gangnam Style Cover

#4: Justin Bieber throws up during concert (Taiwanese Animation)

#3: Cartoon Network 20th Anniversary Music Video Tribute

#2: Hexaflexagons

#1: Frank Sinatra vs. Freddie Mercury – Epic Rap Battles of History

One More Thing: Liam Neeson: The Musical

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