TONIGHT'S MUST-SEE

"American Idol," 7 p.m., Fox. The final showdown. Tonight, Taylor Hicks and Katharine McPhee have their performances. Then viewers vote. On Wednesday, the winner is named.

OF NOTE

Academy of Country Music awards, 7 p.m., CBS. Hosted by Reba McEntire. Performers include two "Idol" champs and a "Nashville Star" finalist.

Stephen King's 'Desperation', 7 p.m., ABC. An odd cop arrests motorists. Soon, things get creepy.

Gilmore Girls, 7 p.m., WB. Rory is assigned to community service.

Jim Gaffigan: Beyond the Pale, 7 p.m., Comedy Central. A rerun of a terrific stand-up special.

Pepper Dennis, 8 p.m., WB. Pepper has a big story about the mayor. The trouble is that she's also dating him.

House, 8 p.m., Fox. It's Dr. House's turn to get shot.