Ratings: ‘Big Brother’ Draws Night’s Top Numbers, ‘Under the Dome’ Premiere Slides as CBS Wins Thursday

ABC’s “Rookie Blue” plunges with season debut; Fox’s “Boom” gets so-so start

Last Updated: June 26, 2015 @ 10:46 AM

CBS took the ratings crown on Thursday night, thanks largely to “Big Brother,” which was the night’s top program, and despite a slide for “Under the Dome,” which premiered its third season to considerably lower ratings than last year’s season opener.

CBS was first in the key 18-49 demographic and in total viewers with a 1.5 rating/6 share and 6.3 million, respectively. “Big Brother” at 8 p.m., which marked the Thursday premiere of the new season, was the night’s top-rated program with a 2.0/8 and had 6.4 million total viewers, making it the second-most watched show of the night.

The Season 3 premiere of “Under the Dome” at 9, meanwhile, dropped significantly from last year’s season premiere, posting a 1.3/5, compared to last year’s 2.1/7, and had 6.2 million total viewers. The good news for “Dome” — it was the top scripted program of the night, besting out original dramas including “The Astronaut Wives Club,” “Mistresses,” the season premiere of ABC’s “Rookie Blue” and NBC’s “Aquarius.”

Fox was second for the night in ratings and fourth in total viewers with a 1.0/4 and 2.9 million. The series premiere of the game show “Boom” posted a 0.9/4 with 2.5 million viewers, while “Wayward Pines” drew even with last week for a 1.2/4 and drew 3.4 million total viewers.

NBC tied for third with Univision in ratings and took second in viewers with a 0.8/3 and 3.9 million. “Dateline” at 8 held even with last week for a 1.3/5, and was the night’s most-watched program with 6.9 million total viewers. “Aquarius” the following hour ticked down to a 0.6/2 with 3.2 million total viewers, while the recently canceled “Hannibal” at 10 dropped 20 percent to a 0.4/1 with 1.6 million total viewers.

Univision was fifth in total viewers with 2.2 million.

ABC took fifth place in the demo and third in total viewers with a 0.7/3 and 3.8 million. The network suffered ratings declines across the board, starting with “Astronaut Wives Club” at 8, which fell 27 percent from last week’s series premiere for a 0.8/3 and drew 4.5 million total viewers. “Mistresses” the following hour dropped off 22 percent for a series low of 0.7/3. with 3.3 million total viewers. The season premiere of “Rookie Blue” at 10 slid a whopping 45 percent from last year’s season debut, posting a 0.6/2 and posting 3.7 million total viewers.

Telemundo was sixth in ratings and total viewers with a 0.6/2 and 1.3 million.

Seventh-place CW ( 0.2/1 demo, 731,000 total viewers) aired “Beauty and the Beast” at 8, which dropped 33 percent to a 0.2/1 and had 903,000 total viewers, followed by a “Vampire Diaries” repeat.