Ratings Race: Which Premiere Beat Out the Rest?

Last night was a big night for season premieres. Grey's, 30 Rock and Big Bang Theory were just a few of the shows fighting for viewers yesterday but who came out on top?

Grey's Anatomy is usually the highest watched show on Thursday nights, but The Mentalist is the new reigning King with over 15 million viewers.

Justin Bieber made his acting debut on CSI yesterday and the show got the second highest viewers of the night with over 14 million. Rounding out the top three was Grey's with a strong 14 million.

Check out the last night's numbers below...

The Mentalist: 15.3 million viewers
CSI: 14.6 million
Grey's Anatomy: 14 million
Big Bang Theory: 14 million
$#*! My Dad Says: 12.5 million
Bones: 9.8 million
Private Practice: 9 million
The Office: 8.4 million
Outsourced: 7.4 million
Community: 5 million
30 Rock: 5.6 million
Fringe: 5.8 million
My Generation: 5.2 million