HOW I MET YOUR MOTHER
CBS, 8:00 p.m. ET
Joe Manganiello, who plays an enviously toned werewolf in HBO’s True Blood, reprises a pre-Blood role by returning to this sitcom as Brad, one of Marshall’s old law-school classmates. But this time, it’s a much less flattering role, and even requires some padding because Brad, apparently, has let himself go.