In the TV world, NBC is often the butt of a lot of bad jokes. The network gets flack for low ratings and its formerly dominant Thursday night comedy block, and between all of the jokes it's easy to miss the network's successes. On Friday, NBC renewed the summer comedy Undateable, a half-hour sitcom about a bunch of dudes and a divorced lady in her thirties who all have problems and/or fears about not being a good catch. Click To