American Idol did battle with The Big Bang Theory last night, with the former winning in overall viewers but the latter actually edging it out in the 18-49-year old demographic.
Elsewhere, Person of Interest sky-rocketed to a series high, as CBS once again won the evening...
American Idol: 17.8 million
The Big Bang Theory: 15.7 million/Rob: 11.7 million
Wipeout: 5.8 million
30 Rock: 4 million/Parks and Recreation: 4.3 million
The Vampire Diaries: 2.7 million
Person of Interest: 14.3 million
Grey's Anatomy: 9.3 million
The Finder: 6.8 million
The Office: 6 million/Up All Night: 4 million
The Secret Circle: 1.7 million
The Mentalist: 14 million
Private Practice: 6 million
The Firm: 3.4 million