Last Comic Standing, 8 p.m., Channels 5, 2.

Here's the finale for this wonderfully entertaining show. Barring a late change - an NBC problem lately - we'll see the final four comics, then vote on a winner.

For two summers, Comic was a ratings success. NBC rushed this version onto the air, pitting comics from the first two years. Laughs have been strong; ratings haven't. Now, sadly, NBC is rushing the show out the door.

Two of the finalists are Dave Mordal (a delightfully droll Minnesotan) and John Heffron (the second-season champion), who will at the Funny Bone Comedy Club at Newport on the Levee Friday through Sunday. The other two will be announced tonight.

Debate, 9 p.m., ABC, CBS, NBC, PBS and cable news channels.

The vice-presidential candidates get their prime-time moment. Dick Cheney and John Edwards debate at Case Western Reserve University in Cleveland.

Worth watching

Baseball, 8 p.m., Channels 19, 45. American League Divisional Series; Minnesota Twins vs. New York Yankees.

NCIS, 8 p.m., Channels 12, 7. Last week's hour, filled with mystery surprises, got this second season off to a great start. Tonight, a body, partly mummified, is found under a building at a former military base.

Second Verdict debut, 8 p.m., Pax TV. This new reality show tests human nature under serious circumstances. A real-life court case is presented to a new jury, to see if the result is the same.

All of Us, 8 p.m., Channel 25. Robert (Duane Martin) has split from his true love (Elise Neal). To upset her, he decides to go on a date.

My Wife and Kids, 8 p.m., Channels 9, 22. With his class reunion coming, Michael draws doubts from his wife that he can dance well.

The George Lopez Show, 8:30 p.m., Channels 9, 22. Last week, in a mixture of drama and comedy, George's teen daughter returned home after running off with a guy. Tonight, an attempted crackdown begins: George demands rent; she responds by getting a roommate.

Veronica Mars, 9 p.m., Channel 25. The talented Kristen Bell plays a troubled high school student who works in her dad's detective agency at night. Tonight, she's helping another teen find his long-missing father.

And You Don't Stop: 30 Years of Hip-Hop, 9 p.m., VH1. If you missed Monday's excellent start of this five-night documentary on rap, here's a quick rerun. At 10 p.m., Run-D.M.C. and Run's brother, mogul Russell Simmons, discuss hip-hop.

Nip/Tuck, 10 p.m., season finale, FX. This lurid, Emmy-nominated show concludes its second season - commercial free - with the doctors pondering what TV Guide calls an "unusual surgical procedure" on the queen of plastic herself, Joan Rivers. They also enlist help from Ava's ex (played by Alec Baldwin) in trying to liberate Matt from Ava's clutches.

Wanda Does It, 10:30 p.m., Comedy Central. In the Curb Your Enthusiasm genre, this show mixes fiction and improvisation. Comedian Wanda Sykes plays a version of herself. Tonight, she sells her car then learns to be a repo person. The result is terribly uneven, but it has some good laughs.