Ratings Analysis: CBS's Big Brother (0.66, +0.13) soared to a new season high on Thursday night, handily topping the one it set just a day before. Repeats of Young Sheldon (0.19), Ghosts (0.12), and The Real CSI: Miami (0.11) aired after Brother. On NBC, the Summer Olympics (2.13, -0.17) gave back most of Wednesday night's uptick. After taking a week off, game shows Press Your Luck (0.20, -0.14) and Lucky 13 (0.16, -0.11) completely collapsed on ABC. Don't Forget the Lyrics (0.17, -0.05) also declined for its Fox finale. On the CW, Masters of Illusion (0.03, -0.02) and World's Funniest Animals (0.02, -0.04) slipped. Key: (R) = repeat. (F) = finale.
| Time | Show | 18-49 Rating | 18-49 Share | Viewers (mil) | Network | 
| 8 PM | 2024 Summer Olympics | 2.13 | 25 | 12.82 | NBC | 
| 
 | Big Brother | 0.66 | 8 | 3.15 | CBS | 
| 
 | Press Your Luck | 0.20 | 2 | 2.43 | ABC | 
| 
 | Don't Forget the Lyrics! (F) | 0.17 | 2 | 1.13 | Fox | 
| 
 | The Conners (R) | 0.04 | 1 | 0.34 | CW | 
| 8:30 PM | The Conners (R) | 0.05 | 1 | 0.35 | CW | 
| 9 PM | Young Sheldon (R) | 0.19 | 2 | 1.62 | CBS | 
| 
 | Lucky 13 | 0.16 | 2 | 1.74 | ABC | 
| 
 | Masters of Illusion | 0.03 | 0 | 0.20 | CW | 
| 9:30 PM | Ghosts (R) | 0.12 | 1 | 1.27 | CBS | 
| 
 | World's Funniest Animals | 0.02 | 0 | 0.19 | CW | 
| 10 PM | Who Wants to Be a Millionaire (R) | 0.13 | 2 | 1.39 | ABC | 
| 
 | The Real CSI: Miami (R) | 0.11 | 1 | 0.89 | CBS | 
Cable:
| Show | Network | 18-49 Viewers | Viewers (mil.) | 
| NFL Preseason: Panthers v. Patriots | NFL | 0.32 | 1.19 | 
| 2024 Summer Olympics | USA | 0.32 | 1.15 | 
| Hannity | Fox News | 0.18 | 2.79 | 
| Gutfeld! | Fox News | 0.17 | 2.63 | 
| Real Housewives of Orange County | Bravo | 0.17 | 0.67 | 
| Impractical Jokers | TruTV | 0.11 | 0.41 | 
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