8 p.m., CBS Super Bowl's Greatest CommercialsJim Nantz and Lara Spencer count down the 10 best ads to air during the Super Bowl and preview a few from Sunday's big game. Whazzaaaaaaaaaaaaaappp? 8 p.m., NBC MercyJames Van Der Beek is back on television! Even though he's playing the scrub-wearing, uber-arrogant Dr.