Series premiere, 6 p.m., BBC America
6 p.m., ESPN
Season 9 premiere, 9 p.m., ABCZach Braff) as a professor?!?
10 p.m., CBSHeidi Klum hosts the 2009 Victoria's Secret Fashion Show. And, yes, "Fashion Show" means models strutting around in bikinis.
Season 2 finale, 10 p.m., FXAdam Arkin)—for good.
Also on the airwaves ...
So You Think You Can Dance, 8 p.m., FOX
90210, 8 p.m., CW
The Biggest Loser, 9 p.m., NBC
Melrose Place, 9 p.m., CW
The Best Thing I Ever Ate, Season 2 premiere, 9 p.m., FOOD
The Forgotten, 10 p.m., ABC
The Hills, 10 p.m., MTV
The Bad Girls Club, Season 4 premiere, 10 p.m., OXY
The City, 10:30 p.m.,
What are you watching tonight?