According to the national ratings for July 18, “Big Brother” is continuing to bring in the ratings for CBS.

CBS took the night once again with “Big Brother” giving the network an average of 6.3 million viewers and a 4.1/7 share in households. NBC came in second with 4.6 million, 3.0/5, then ABC with 4.0 million, 2.6/5 and Fox rounded out the top four with 3.2 million viewers and a 1.9/3 share.

Though Fox’s half hour lineup didn’t bring in the majority of viewers, it did bring in the most viewers in the coveted 18-49 demographic. They had a 1.5 share, followed by CBS with a 1.3. NBC with 1.1, and 1.0 on ABC.

Here are the ratings by hour for July 18:

7 p.m.

CBS: “60 Minutes” (7.6 million viewers, 5.0/10 households)
ABC: “America’s Funniest Home Videos” rerun (6.6 million, 3.2/7)
NBC: “Dateline” (4.5 million, 3.0/6)
FOX: “Sons of Tucson” (1.5 million, 1.0/2)/”American Dad” rerun (1.9 million, 1.2/2)

8 p.m.

CBS: “Big Brother 12″ (6.9, 4.2/8)
NBC: “Law & Order: Criminal Intent” (4.5 million, 3.0/6)
ABC: “Extreme Makeover: Home Edition” rerun (4.5 million, 2.9/5)
FOX: “The Simpsons” rerun (3.5 million, 2.0/4)/”The Cleveland Show” rerun (3.8 million, 2.0/4)

9 p.m.

CBS: “The Mentalist” rerun (5.0 million, 3.3/6)
NBC: “America’s Got Talent” rerun (4.5 million, 2.8/5)
FOX: “Family Guy” reruns – two episodes (4.3 million, 2.5/4)
ABC: “Scoundrels” (3.1 million, 2.1/4)

10 p.m.

CBS: “Cold Case” rerun (5.7 million, 3.8/7)
NBC: “America’s Got Talent” rerun (4.7 million, 3.0/5)
ABC: “The Gates” (2.9 million, 2.0/4)