Moonlight: (CBS, 9 PM) Forget hickeys, a human/vampire makeout session proves deadly, and in turn threatens to expose the whole vampires-living-amongst-us issue in tonight's series finale.
Numb3rs: (CBS, 10 PM) In tonight's season finale, Diane Farr's character Megan says goodbye as she "leaves for a new job" (i.e. the twins she's expecting in real life). Also on tap, a Don and Charlie bro-down after an investigation into a case involving national security.
Ghost Whisperer: (CBS, 8 PM) Normally she helps dead people, but in tonight's season finale, Melinda's presumed-dead father is the one doing the helping. Well, if you consider the revelation of a giant secret "help."
WEEKEND WATCHING
Desperate Housewives: (ABC, Sun, 8 PM) Big shocks are in store for the residents of Wisteria Lane - including a creepy encounter with Katherine's ex Wayne - in this double-your-pleasure 2-hour season finale.
43rd Annual Academy of Country Music Awards: (CBS, Sun, 8 PM) Reba McIntyre's at the host post, and at the ripe old age of 46, Garth Brooks receives a lifetime achievement award.