Big Brother 6 (7 p.m., Ch. 2): Still stuck in that house.
Joey (7 p.m., Ch. 5): Joey hires a personal assistant. (Repeat)
X Games (7 p.m., ESPN): Highlights from the four-day gravity-defying festival in Los Angeles.
Will & Grace (7:30 p.m., Ch. 5): Karen wants Will to fire a pastry chef. (Repeat)
CSI (8 p.m., Ch. 2): A model at an auto show is murdered. (Repeat)
Hooking Up (8 p.m., Ch. 4): Twenty-eight-year-old Amy sees another relationship coming to an end.
Law Firm (8 p.m., Ch. 5): Cases in the second episode of this reality series involve a dominatrix and a poster of questionable taste.
ER (8:59 p.m., Ch. 5): Neela writes to Gallant. (Repeat)
Without a Trace (9 p.m., Ch. 2): A real-estate agent is missing. (Repeat)
Kept (10 p.m., VH1): Jerry Hall finally gets her man.
It's Always Sunny in Philadelphia (11:30 p.m., FX): Four friends run a dive bar in this off-color comedy.