Summer Olympics, 8 p.m., NBC
Tonight, Swimming, finals: men's and women's 4x100m medley relay, women's 50m freestyle, men's 1500m freestyle; track and field, finals: women's 100m, men's long jump; beach volleyball: elimination round; diving: women's springboard semifinal.
The Hurt Locker, 8 p.m., FX
I cannot wait to see Jeremy Renner in the new Bourne movie.
Unfaithful, 8 p.m., E!
I always get this one confused with the one that stars Gwyneth Paltrow and Michael Douglas called A Perfect Murder. This is the one with Richard Gere and Diane Lane.