Fast National ratings for Monday, June 4, 2012.
"America's Got Talent" posted big week-to-week gains to carry NBC to an overall win on Monday night, while "Hell's Kitchen" and "MasterChef" returned to help give FOX a win (with an asterisk) among young viewers.
FOX averaged a 2.3 rating among adults 18-49, beating NBC's 2.1 rating in the key demographic. [NBC still won the 8 p.m. to 10 p.m. portion of the night in which the two networks go head-to-head.] ABC's 1.7 key demo rating was second, beating the 1.3 rating for CBS and The CW's 0.1 key demo rating. 
Overall, though, NBC averaged an estimated 7.29 million viewers and a 4.3 rating/7 share to win Monday night. ABC was second overall with a 4.3/7 and 7.29 million viewers. CBS' 3.6/6 and 5.39 million viewers and FOX's 3.1/5 and 5.28 million viewers followed. The CW averaged a 0.3/0 and 442,000 viewers for the night.
8 p.m. - "America's Got Talent" kicked off Monday primetime with 12.06 million viewers and a 3.2 rating among adults 18-49, solidly up from last week's numbers. ABC's "The Bachelorette" averaged 6.685 million viewers for second and a 2.1 key demo rating for third. FOX's "Hell's Kitchen" premiere was down a hair from last year with nearly 5.4 million viewers and a 2.4 key demo rating. CBS' repeats of "How I Met Your Mother" and "2 Broke Girls" averaged 4.37 million viewers and a 1.3 key demo rating, while The CW's encore of "Breaking Pointe" averaged 550,000 and a 0.2 key demo.
9 p.m. - "The Bachelorette" moved into first overall for the 9 p.m. hour with 6.77 million viewers and tied for second with a 2.2 rating among adults 18-49. NBC's "American Ninja Warrior" benefited from its boosted lead-in and rose to 6.65 million viewers and a 2.2 key demo rating. CBS was third overall with 6.21 million viewers for repeats of "Two and a Half Men" and "Mike & Molly," which finished fourth in the key demo with a 1.4 key demo rating. FOX's "MasterChef" premiere won the hour with a 2.3 key demo rating and finished fourth with 5.165 million viewers. The CW's encore of "The Catalina" averaged 335,000 viewers and a 0.1 key demo rating.

10 p.m. - CBS won the 10 p.m. hour with 5.58 million viewers and a 1.2 rating among adults 18-49 for a repeat of "Hawaii Five-0." ABC was second overall with 5.24 million viewers for a "Castle" repeat, coming in third with a 0.9 key demo rating. NBC's "Grimm" repeat averaged 3.15 million viewers and a 1.0 key demo rating.
All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change.
A long-time member of the TCA Board and a longer-time blogger of "American Idol," Dan Fienberg writes about TV, except for when he writes about movies or sometimes writes about the Red Sox. But never music. He would sound stupid talking about music.