Martin’s taping a lot of shows that are airing today:
The Today Show - 4 December
NBC
Anderson Live - 4 December
Late Show with David Letterman - 4 December
11:35pm EST (CBS)
The Colbert Report (part of TCR’s Hobbit week) - 4 December
11:30pm EST (Comedy Central)
Stream for the Today Show (not sure what time he’s coming on).