Saturday on TV

Summer Olympics: NBC (Ch. 5) has coverage from 9 a.m.-5 p.m., 7-11 p.m. and 11:30 p.m.-1 a.m.; MSNBC from 7 a.m.-3 p.m. and 3-7 a.m.; CNBC from 3-6 p.m. and 10 p.m.-2:30 a.m.; USA from 7 a.m.-noon and midnight-7 a.m.

Golf (noon, Ch. 2): Third round of the PGA Championship

Eli Stone (9 p.m., Ch. 4): Eli gets a glimpse of the future. But the show's co-creator told me that this future isn't set in stone. (R)

Sunday on TV

Summer Olympics: NBC (Ch. 5) has coverage from 9 a.m.-5 p.m., 6-11 p.m. and 11:35 p.m.-1 a.m.; MSNBC from 7 a.m.-3 p.m. and 3-7 a.m.; CNBC from 2 p.m.-5 p.m. and 10 p.m.-2:30 a.m.; USA from 7 a.m.-noon and midnight-7 a.m.

Golf (noon, Ch. 2): Final round of the PGA Championship

Masterpiece (8 p.m., Ch. 7): Inspector Lynley takes on a 15-year-old unsolved case.

Terminator: The Sarah Connor Chronicles (8 p.m., Ch. 13): The pilot episode is repeated. (The second-season premiere is scheduled for Sept. 8.)

Mad Men (8, 9 and 11 p.m., AMC): Betty tries to help Don appease an unhappy client.

Generation Kill (10 p.m., HBO): First Recon learns there's an ambush ahead.

Law & Order: Criminal Intent (10 p.m., USA): A mutilated body is found.

In Plain Sight (11 p.m., USA): Mary is kidnapped.