American Idol (8pm, Fox) - Viewer voting begins tonight right after the semifinal round featuring the Top 12 male singers (women perform tomorrow night). That means Scotty McCreery (right) of Garner gets his first shot at performing for voters. Starting tonight, voters can vote the first time online via Facebook. Go to AmericanIdol.com during the voting window and log on using your Facebook account information. That will get you to the "American Idol" voting page where you can select your favorites. You can cast up to 50 votes online. You can also still vote by phone or by text message (AT&T customers only).
Charlie Sheen: In His Own Words (10pm, ABC) - '20/20' sits down with the reclusive Charlie Sheen in an effort to get the shy, reserved actor to open up about his feelings regarding his troubles with his bosses at CBS, his opinions on Alcoholics Anonymous, and whether or not he is in fact a "winner." I sure hope they can get him to talk...
Parenthood (10pm, NBC) - This show has catapulted from "good" to "amazing" this season. In tonight's episode, Adam and Kristina must finally discuss with Max the fact that he has Asperger's. Also, Crosby tries to make amends with Jasmine (let her go, man!).
The Good Wife (10pm, CBS) - The firm sues a social networking site on behalf of a Chinese dissident for failing to protect his anonymity. Meanwhile, Will and Diane try to wrestle control of the firm away from Derrick.
Southland (10pm, TNT) - John's drug issue worsens as Ben approaches the end of his training. Meanwhile, Lydia is involved in a shoot-out while preoccupied with a teenage victim, and Sammy focuses on fatherhood.
Also deserving your attention tonight at 10pm: "Lights Out" on FX, "White Collar" on USA, and "The Game" on BET.