Community (8pm, NBC) - Three new episodes of 'Community' close out the season. First, Pierce fights for his inheritance and the study group tag along for support. Then (9) the group plan a sneak attack to loosen Chang's grip on Greendale. Finally (9:30), Jeff represents Shirley in a dispute with Pierce, who in turn, retains the services of Jeff's former colleague.
Missing (8pm, ABC) - It's finally over tonight. And no renewal. Will Becca save her son? Of course she will.
30 Rock (8:30pm, NBC) - In the Season 6 finale, Jack sets out to prove his marriage is still strong, so he plans a vow renewal with Liz officiating.
Grey's Anatomy (9pm, ABC) - Season 8 ends with the doctors fighting to save themselves and each other after last week's plane crash. Also, Bailey and Ben make a decision about their relationship and Teddy gets a tempting offer.
Person of Interest (9pm, CBS) - A psychologist is in trouble and the FBI closes in on Reese in the Season 1 finale.
Scandal (10pm, ABC) - Season 1 finale: When Quinn finds herself in a fix that's both tragic and compromising, Olivia and the team rush to help. Also, Cyrus turns to Olivia when an announcement shakes Fitz's presidency to its core.
The Mentalist (10pm, CBS) - In the fourth-season finale, Jane deals with his latest loss to Red John by hitting rock bottom in Las Vegas and hooking up with a cocktail waitress.
Awake (10pm, NBC) - In part one of a two-part season finale -- who are we kidding! series finale -- truths about Britten's life-altering accident begin to surface as menacing conspiracies jeopardize both of his worlds. Britten also becomes a target when he turns vigilante and pursues Det. Hawkins.

Community 8pm, NBC) - The death of a classmate gives Britta a chance to play counselor to the others by using the psychology lessons she's recently learned, but Jeff appears unaffected by the loss.
Community (8pm, NBC) - Annie, Troy and Abed try to help Britta avoid an old flame who has returned to town, while Jeff and Shirley set out to catch a glimpse of the mystery man.
Titanic's Final Mystery (8pm, Smithsonian) - A new documentary investigates a century of theories behind the sinking of the Titanic and uncovers new forensic evidence that proves the most likely theory for the disaster.
Reese and Finch to suspect that Elias has plans for his competition.
Missing (8pm, ABC) - In the second episode of Ashley Judd's "special gift to America" (her own description of this series from a "Live with Kelly" interview), Becca makes a deal with the head of French Intelligence while searching for her missing son. Believe it or not, I'm
"Community" doesn't return to the NBC lineup until March 15, but starting today, 
Bones (9pm, Fox) - The team discovers the death of a storm chaser may not have been caused by the tornado he ws following. Meanwhile, Booth becomes very protective of Brennan at home and at work.
