A number of NBC shows will now be available on the iTunes website, due to a deal between Apple and NBC.
From VNUNet:
The agreement will see the iTunes website offering shows such as Law & Order and The Tonight Show with Jay Leno.
Other shows include The Office, Surface, Late Night with Conan O’Brien, Monk and Battlestar Galactica.
Continue on to VNUNet to read more about the shows.