Ratings - "Big Brother: Summer of Mystery" Premiere Up +10% from Last Summer

[07/11/25 - 11:28 AM] "Big Brother: Summer of Mystery" Premiere Up +10% from Last Summer Last night, season 27 premiered to nearly 3 million viewers.

[via press release from CBS]
"BIG BROTHER: SUMMER OF MYSTERY" PREMIERE UP +10% FROM LAST SUMMER · Last night, BIG BROTHER season 27 premiered to nearly 3M viewers (2.99M), up +10% from last summer's part 1 premiere (airing Wed. July 17, 2024) and up +29% from last summer's part 2 premiere (airing Thurs. July 18, 2024). (According to Nielsen Fast National Data) · Note: Year-over-year streaming comparisons are unavailable because last summer's Wednesday night premiere did not include live streaming data due to the Republican National Convention's live broadcast. · On social media, BIG BROTHER garnered nearly 282m potential social impressions* last night, this was up +27% from the episode airing Thurs. July 18, 2024. o #BB27 trended in the top 10 in the US on X for more than 5 hours and peaked at #1. *Potential Impressions are the estimated number of people who might have viewed posts related to this topic. Quid Monitor calculates potential impressions based on followers/fans of original posts and followers/fans of engagements.

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