Expedition Impossible (9pm, ABC) - Wading through a treacherous river canyon, rappelling down a 300-foot waterfall, and baring all to master the art of henna are among the challenges contestants face in tonight's episode.

Burn Notice (9pm, USA) - Michael takes part in a CIA murder investigation. Elsewhere, the team helps a former Army sniper who's looking to avenge his sister's injury.

Swamp People (9pm, History) - In the second season finale, hunters scramble to fill their remaining traps, and there are rumors of a monster gator in the area. Meanwhile, a storm is blowing in from the Gulf.

CNBC Titans: Quincy Jones (10pm, CNBC) - The financial network profiles Quincy Jones (right), the jazz musician-composer-producer who became the first high-level black executive at a major record company when he signed on with Mercury records in 1961. The profile includes his work with Michael Jackson and his forays into film and TV productions.

Rookie Blue (10pm, ABC) - Dov and Chris get a tip on a meth house that puts them in harm's way. Meanwhile, Jo (evil!) talks Luke into helping her on a surveillance job, which brings up old issues between them).

Wilfred (10pm, FX) - Ryan volunteers at a hospice, but it's Wilfred who turns out to have a talent that's much in demand there. This gives Wilfred to make demands of his own.

Louie (10:30pm, FX) - Louie (the Emmy-nominated Louis CK) takes his daughters to visit his great aunt.

So You Think You Can Dance (8pm, Fox) - The Top 20 dancers are introduced.

Jimmy Kimmel Live: Game Night (8pm, ABC) - Kimmel's guests for tonight's pre-NBA Finals show are Ron Artest, David Arquette, and Usher. The actual game (game 5) starts at 9 p.m.

Known Universe (9pm, National Geographic Channel) - Engineering in space represents the future of human civilization, but also poses some of our greateste technical difficulties. Tonight the show visits NASA's tool lab for a look at equipment used to build in space, from high-tech wrenches and hammers to a robotic handyman name Robonaut. Also, scientists discuss building a skyscraper on the moon.

Swamp People (9pm, History) - Liz gets her own boat and sets out to prove herself to Troy. Also, Junior lets Willie hunt solo, an alligator attacks R.J. and Jay Paul's lines, and feral hogs cause trouble.

CMT Music Awards (9pm, CMT) - If you missed it last night, it's on again tonight. Scotty McCreery presents, and Keith Urban and Lady Antebellum perform.

Love Bites (10pm, NBC) - Almost surprised this made it to a second show (the first one was that bad). Tonight, Annie's pal (Michelle Trachtenberg) resorts to being best friend to her commitment-shy flame, and a young man (Skylar Astin) takes up knitting to impress a woman.