The Ghost Army (8pm, UNC-TV) - The story of the 23rd Headquarters Special Troops, a top-secret World War II Army group in Europe that used rubber tanks, sound effects and illusions to trick and misdirect the enemy about the strength and location of American units.
Dancing with the Stars (9pm, ABC) - A winner is announced in the 16th season finale. Of course, we're pulling for North Carolina native Kellie Pickler (left, with partner Derek Hough). Live performances tonight from Pitbull, Wynonna Judd, Psy and Jessica Sanchez.
Man-Eating Super Squid (9pm, Animal Planet) - An exploration of the myth behind the Scandinavian sea monster known as the kraken. (If you're into giant squids, check out "Monster Squid: It Lives" airing at 8.)
Grimm (10pm, NBC) - In the Season 2 finale, Nick enlists help from Monroe and Rosalee while investigating attacks involving the "undead" in Portland. Meanwhile, Capt. Renard's brother is in town on family business, and Adalind's allies battle each other.
Frontline: The Untouchables (10pm, UNC-TV) - An investigation into why Wall Street titans have avoid prosecution for the roles their institutions played in the 2008 financial meltdown.
Real Sports with Bryant Gumbel (10pm, HBO) - Segments include a visit with Penn State football coach Bill O'Brien; a report on an Oklahoma City marathon honoring those killed in the 1995 terrorist attack; and a look at the dangers faced by referees and steps being taken to protect them from physical assaults.