Nikita, 8-9 p.m. on The CW: In “Doublecross,” Amanda (Melinda Clarke) calls Nikita (Maggie Q) with an offer that is hard to resist: If Nikita stops Percy’s (Xander Berkeley) assassination spree, Amanda will hand over Ryan (guest star Noah Bean).
Supernatural, 9-10 p.m. on The CW: After a ballerina dances herself to death, Sam (Jared Padalecki) and Dean (Jensen Ackles) look into the case and discover the ballet slippers she wore were cursed. Things take a dark turn when the power of the curse starts to take hold of Dean in “Out With the Old.”
Community, 8-9 p.m. on NBC: Andre (guest star Malcolm Jamal Warner) proposes that he and Shirley (Yvette Nicole Brown) remarry, and Troy (Donald Glover) and Abed (Danny Pudi) prepare to be “normal” for the occasion. Meanwhile, Pierce (Chevy Chase) and Shirley pitch a sandwich shop idea to Dean Pelton (Jim Rash) for the Greendale cafeteria in “Urban Matrimony and the Sandwich Arts.”
30 Rock, 8:30-9 p.m. on NBC: In “St. Patrick’s Day,” Jack (Alec Baldwin) feels unworthy of his latest award and attempts to redeem himself by taking on the writers in a strategic board game. Meanwhile, Liz (Fey) believes she’s cursed when her ex-boyfriend Dennis (guest star Winters) shows up to derail her relationship with Criss (guest star James Marsden).
PREMIERE! Missing, 8-9 p.m. on ABC: Former CIA Agent Becca Winstone (Ashley Judd) travels to Europe to track down her son after he goes missing while studying abroad. As her search leads her from exotic locale to exotic locale, Becca learns how far she’ll go to save the one thing she has left in the world. [WATCH THE PREVIEW]
Grey’s Anatomy, 9-10 p.m. on ABC: Derek (Patrick Dempsey) encourages a hesitant Meredith (Ellen Pompeo) to join him again in neurology; Cristina (Sandra Oh) becomes increasingly suspicious of Owen (Kevin McKidd); and Alex (Justin Chambers) tries to deny the fact that Morgan (Amanda Fuller) may be falling for him in “One Step Too Far.” [WATCH THE PREVIEW]
American Idol, 8-9 p.m. on FOX: One finalist gets the boot. Who will it be?
The Vampire Diaries, 8-9 p.m. on The CW: In the all-new “1912,” present-day murders in Mystic Falls remind Damon (Ian Somerhalder) of a similar crime spree a century earlier. Sheriff Forbes (Marguerite MacIntyre) warns Damon not to get involved in her investigation, but the elder Salvatore brother is convinced she’s going after the wrong suspect. [WATCH THE PREVIEW]
The Secret Circle, 9-10 p.m. on The CW: Cassie (Britt Robertson) catches Blackwell (guest star Joe Lando) sneaking around the abandoned house, and Melissa (Jessica Parker Kennedy) encourages Diana (Shelley Hennig) to date the handsome new guy in town (guest star Tim Phillipps) in “Lucky.” [WATCH THE PREVIEW]
FINALE! Jersey Shore, 10-11 p.m. on MTV: In the Season 5 finale, “We Are Family,” the gang prepares to leave as Hurricane Irene hits the East Coast. Meanwhile, Hurricane Situation starts a rumor about Deena’s sister.
New Girl, 9-9:30 p.m. on FOX: In “Control,” Jess (Zooey Deschanel) encourages Schmidt (Max Greenfield) to go on strike at the loft after noticing that he does all the housework. Nick (Jake Johnson) owes Winston (Lamorne Morris) after losing a game of poker.
Ringer, 9-10 p.m. on The CW: When Malcolm (Mike Colter) goes missing, Bridget (Sarah Michelle Gellar) visits the hotel where he was staying and learns that Andrew (Ioan Gruffudd) was the last person to see Malcolm before he disappeared. Meanwhile, Siobhan tells Henry (Kristoffer Polaha) why she faked her death in “What We Have Is Worth the Pain.”
The Real Housewives of Orange County, 9-10 p.m. on Bravo: In “The Party’s Over,” The Bunco Party takes an uncomfortable turn when Slade and some of the O.C. Later, once the party drama between Slade and Vicki has passed, Alexis goes in for her surgery and Vicki's daughter Briana heads to the hospital to have her thyroid removed, fearing the worst — cancer. [WATCH THE PREVIEW]
PREMIERE! Fashion Star, 10-11 p.m. on NBC: This new reality series pits 14 unknown fashion designers against one another in a competition for the title of Fashion Star, a cool $6 million, and the launch of their line at Macy's, H&M, and Saks Fifth Avenue. Elle Macpherson is the host and executive producer, and Jessica Simpson, Nicole Richie, and John Varvatos are the celebrity mentors. In a fun twist, America will have the chance to purchase the winning designs showcased in each episode.
Once Upon a Time, 8-9 p.m. on ABC: In “Heart of Darkness,” Mary Margaret (Ginnifer Goodwin) hires Mr. Gold (Robert Carlyle) as her attorney when Emma (Jennifer Morrison) is forced to arrest her for the suspected murder of David’s wife. Meanwhile, back in the fairytale land that was, Prince Charming sets out to stop a determined and unhinged Snow White from assassinating the Evil Queen.
The Good Wife, 9-10 p.m. on CBS: In “Gloves Come Off,” Alicia (Julianna Margulies) once again faces Louis Canning (Michael J. Fox) in court, but she begins to reconsider his standing job offer.
GCB, 10-11 p.m. on ABC: A church relationship seminar forces Amanda (Leslie Bibb) to confront her past, and Heather (Marisol Nichols) sets her eyes on her new client — former high school nerd Andrew (Tom Everett Scott) — in “Love Is Patient.”
Khloe & Lamar, 10-10:30 p.m. on E!: In “PTSD,” Lamar learns more about himself and his father when his dad opens up about his time in Vietnam. Meanwhile, Malika wants to get breast implants, but Khloe thinks she wants them for the wrong reason.
PREMIERE! Interior Therapy With Jeff Lewis, 9-10 p.m. on Bravo: In this spin-off of Flipping Out, obsessive-compulsive house-flipper Jeff Lewis moves into other people’s homes, judges their flaws, and redesigns their spaces — all with a little reining in from his assistant Jenni Pulos and his loyal housekeeper Zoila Chavez.
Modern Family, 9-9:30 p.m. on ABC: In “Send Out the Clowns,” Cameron (Eric Stonestreet) encounters his estranged ex-clown partner, Lewis (Bobby Cannavale), Phil (Ty Burrell) is pursues a very important listing, and Jay (Ed O’Neill) and Gloria (Sofia Vergara) grow suspicious when Manny (Rico Rodriguez) makes a “cool new friend.”
Happy Endings, 9:30-10 p.m. on ABC: The gang begins to wonder if Penny’s (Casey Wilson) birthday is cursed in “Party of Six.”
FINALE! The Bachelor, 8-11 p.m. on ABC: Season 16 Bachelor Ben Flajnik and his two remaining ladies, Courtney and Lindzi, head to Zermatt, Switzerland, for a little skiing, a helicopter ride, a sit-down with Ben’s parents, and the final rose ceremony. From 10 p.m. to 11 p.m., Ben and his final pick make their first public appearance together on the “After the Final Rose” special. [WATCH THE PREVIEW]
Smash, 10-11 p.m. on NBC: In “Chemistry,” Ivy (Megan Hilty) faces major problems as her voice begins to fail her, and Julia (Debra Messing) tries — and fails — to avoid Michael (guest star Will Chase).