What to Watch: Tuesday, March 9

Hot lesbian FBI agent Diana Lancing returns to White Collar for the season finale, just in time for the return of 90210 and Melrose Place! Tuesday, March 9 8:00 pm American Idol, Fox (1 hr) NEW The competition continues to heat up, as the eight female semifinalists perform for America and the judging panel, which includes out comedian and talk show host, Ellen DeGeneres. 8:00 pm 90210, The CW (1 hr) MID-SEASON PREMIERE In the season premiere, sparks are already flying between Adriana and Gia (Rumor Willis) when they attend an AA meeting, while Naomi gets cuddly with Liam on his boat. Also, Navid and Dixon have a plan to get rid of Jasper, and Debbie has some news for Kelly.

White Collar's lesbian FBI agent makes an appearance for the finale!

9:00 pm Melrose Place, The CW (1 hr) MID-SEASON PREMIERE New episodes return with even more steamy drama! Bisexual Ella plans a party for Amanda’s billionaire beau, while Jonah and Riley try to make amends. 10:00 pm White Collar, USA (1 hr) SEASON FINALE In the season 1 finale, lesbian FBI agent Diana Lancing returns, after being MIA since the pilot. Also, Neal and Alex go after a music box at the Italian consulate, and Peter asks Diana for help.