Once Upon a Time (8pm, ABC) - In the Season 1 finale, Emma and Regina become unlikely allies in an attempt to save Henry's life. In the fairy-tale world, Prince Charming hopes to reunite with Snow White, but he isn't aware that she's bitten the Queen's poison apple.
Survivor: One World (8pm, CBS) - The finalists are questioned by the jury members, who then vote fot the winner. The winner is revealed during the 10 o'clock reunion show.
Desperate Housewives (9pm, ABC) - Tonight's 2-hour series finale ends the show's 8 year run on ABC. The finale wraps up Bree's trial on a trumped-up murder charge, and her relationship with her lawyer becomes more than business. Also, expect a deathbed confession.
The Celebrity Apprentice (9pm, NBC) - First, we'll find out who else Trump fired in last week's boardroom, then the final two contestants must create, host and sell tickets to a celebrity charity event that comes complete with a variety show and charity-awareness ad. Eight previously eliminated stars return to help in the challenge.
Masterpiece Mystery: Sherlock (9pm, UNC-TV) - Sherlock and Watson investigate a murder that occurred 20 years earlier. It was witnessed by the victim's son, who claims his father was killed by a monstrous hound. The case takes the pair to the British moors, where a top-secret military base is said to be the site of animal-mutilation experiments.
American Dad (9:30pm, Fox) - In the Season 7 finale, Stan takes Steve to Mexico to help his teen son grow up. When they get there, they are kidnapped by a drug cartel and it turns out that only Steve has a chance to free them.
Mad Men (10pm, AMC) - Don's competitive nature comes to the fore and Roger pursues new clients.
Girls (10:30pm, HBO) - Hannah tries a different tack with her boss to counter his inappropriate office behavior -- she propositions him. Meanwhile, Marnie does some soul-searching about her relationship with Charlie and Jessa wants the last word with her ex.

Modern Family (9pm, ABC) - Cameron has a reunion with his estranged clown partner at a funeral for their former mentor, and Phil gets bullied by a real estate rival when he tries to land an important listing. All the ABC comedies are new tonight. "Happy Endings" is always especially joyous.
Suvivor: South Pacific (8pm, CBS) - Members of the jury interview the final three castaways before voting for the winner. This takes two hours. The winner is announced in the "Survivor Reunion" show at 10pm.
Homeland (10pm, Showtime) - In the Season 1 finale, a near catatonic Carrie (Claire Danes) is confined to bed as Saul (Mandy Patinkin) puzzles over the unnerving implications of her timeline. Meanwhile, Walker settles on a perch from which to complete his mission, and Brody (Damien Lewis) preps for the vice president's policy summit. Great first season -- so glad it's coming back for a second.
Survivor: South Pacific (8pm, CBS) - The 23rd season begins in Samoa with 18 castaways, including returning players "Coach" Wade and Ozzy Lusth.
Season 1 finale, T.K. faces his rival (Terrell Owens) as the Hawks enter the playoffs. Also, Nico must decide where his loyalties lie.
Extreme Home Makeover (8pm, ABC) - In the season finale, the team helps a family with a 9-year-old with brittle bone disease.
Part of the secret of "Survivor's" endurance is that it continues to explore universal human emotions. While top-running crime dramas such as "The Mentalist" and "NCIS" explore the darker side of human psychology, there is only so much emotional range to explore in a cop drama. "Survivor" runs the gamut.
Guest correspondent Alec Peters of Raleigh, a longtime "Survivor" fan, offers his thoughts on this week's episode:
The Beatles did it to rock in the '60s and "Survivor" did it to television in the first decade of the millennium. This isn’t just another reality show, this is something that was so groundbreaking at the time that they can essentially run the same program for over a decade and still find a way to keep it relevant.
