What to Watch: Tuesday, April 6

Adrianna and Gia take the next step in their relationship on 90210 and Cooper's ex-wife needs his help on the season finale of Southland. Tuesday, April 6 8:00 pm Dancing with the Stars, ABC (1 hr) NEW Will Niecy Nash and her gay partner Louis Von Amsel’s attempts to spice it up on the dancefloor be sassy enough to keep them in the competition? Find out on this week’s elimination!

Adrianna takes a big step in her relationship with Gia on 90210!

8:00 pm American Idol, Fox (2 hrs) NEW With only nine contestants left to sing their favorite John Lennon and Paul McCartney songs, which performance will be out judge Ellen DeGeneres’ favorite? 8:00 pm 90210, The CW (1 hr) NEW Adrianna decides to take her new relationship with Gia out of the shadows, while Liam wants Naomi to move forward with her sexual-harassment charge. Also, Dixon and Ivy go on a pseudo-date after they get dissed from Silver and Teddy’s double date with Liam and Naomi. 9:00 pm Melrose Place, The CW (1 hr) NEW Bisexual Ella does her best to keep her job, but Jonah doesn’t like her plan. Also, David needs some serious help after he loses some of his wait staff on the day that a food critic comes to his restarant…will Lauren be able to help? 10:00 pm Southland, TNT (1 hr) SEASON FINALE Gay officer John Cooper’s ex-wife needs a favor before he investigates the case of a rapist who poses as a cop. Also, Susan discovers Sal’s secret and Lydia and Russell handle a double-homicide.