What to watch while mourning the loss of your mechanical ape ... • NFL: Redskins at Giants (7 p.m., ET). The dance, she begins. [NBC] • College football: South Carolina at Vanderbilt (8:30 p.m., ET). Commodores; the most fearsome of all seagoing officers. [ESPN] • Tennis: U.S. Open, men's quarterfinals, women's doubles semifinal, at New York (7 p.m., ET). Rafael Nadal, we hail to thee. [USA]