Greek (ABC Family) 9:00 PM EDT
I'd love to tell you what's happening with gay student Calvin in tonight's episode, but he rarely gets featured in episode previews. There is a sorority slumber party, however, that "turns scary when the lights go out."

Weeds (Showtime) 10:00 PM EDT
Showtime's critically praised comedy returns for its third season tonight. The show, overall, has been pretty gay friendly, but we're looking forward to an established character coming out as gay (spoilers at the link, natch) in the coming season.