The 13th season premiere of "Big Brother" won the evening's top ratings on Thursday and beat out its previous season premiere, according to preliminary numbers.
"Big Brother" on CBS at 9 p.m. received a 2.7 rating/8 share in the adults 18-49 demographic, an 8 percent climb over the season launch last July, and 7.7 million total viewers. The rest of CBS's primetime roster consisted of repeats.
ABC won the evening's second-best numbers with "Wipeout" at 8, which received a 2.0/7 in the demo, on par with last week, and 6.6 million total viewers. The recently launched adventure reality series "Expedition Impossible" the following hour was down 11 percent compared to last week with a 1.5/5 in the demo and 5.5 million total viewers. "Rookie Blue" closed out the night for the network on a bright note, inching up 7 percent compared to last week with a 1.5/4 in the demo and 5.6 million total viewers.
At Fox, "So You Think You Can Dance" at 8 was flat with last week, tying for fourth place with "Expedition Impossible" with a 1.6/6 in the demo and 5.3 million total viewers. A repeat of "Glee" closed the network's evening.
NBC ran repeats, with the exception of "Love Bites" at 10, which performed flat with last week's series low. It had a 0.7/2 in the demo and 1.9 million total viewers.