Extreme Makeover: Home Edition (8pm, ABC) - The man who created the "Move to the Groove" dance program to help combat childhood obesity gets help rebuilding his family home. Derek Hough, Mark Ballas, Tony Dovolani, Chelsie Hightower, and Anna Trebunskaya from "Dancing with the Stars" help out.
Dexter (9pm, Showtime) - Dexter catches a mysterious woman (Julia Stiles, right) who may have witnessed him in the act of killing a serial killer who was also her captor. Deb has a frightening experience with a murder suspect in the Santa Muerte homicides, and Quinn uncovers more striking similarities between Kyle Butler and Dexter Morgan.
Boardwalk Empire (9pm, HBO) - Failing to get an audience with Nucky, who is preoccupied with the upcoming St Patrick's Day festivities, Margaret goes to Van Alden with a tip about secret shipments of beer. Meanwhile, in Chicago, Jimmy takes care of his girl, who was brutally attacked by gangsters in revenge for Capone's attempts to take over their territory. A preview of tonight's episode.
Rubicon (9pm, AMC) - In the season finale, Will finally discovers the missing link between Truxton and Hadas' death, and Katherine learns the real truth behind her husband's suicide. No word yet on whether AMC will pick this up for a second season.
Mad Men (10pm, AMC) - In the Season 4 finale a surprising opportunity rears its head for both Don and Peggy, leaving them with life-altering decisions to make. Michael Auisello over at EW (for now) is worried that a major character will attempt suicide tonight. Ack!
Luther (10pm, BBC America) - A new series starring Idris Elba (Stringer Bell from "The Wire") as a detective who investigates a seemingly perfect double murder while also trying to win back his wife, who has already moved on. Adrienne has a review.
Bored to Death (10:30pm, HBO) - A professor (F. Murray Abraham) in a financial bind asks Jonathan to retrieve an item of great value. George panics when his new employers demand that he take a drug test, and Ray's comic book succeeds beyond his expectations.