Pretty Little Liars (8pm, ABC Family) - Alison's mom comes back to town and asks the girls to take part in a charity fashion show, which Mona helps run when Spencer gets too busy. Meanwhile, Aria works on stirring Jason's memory.

It's Worth What? (8pm, NBC) - Contestants are quizzed on the cost of various items and collectibles in a new game show hosted by Cedric the Entertainer.

History Detectives (8pm, UNC-TV) - Featured tonight is a letter that may be from Clara Barton in which she expresses concern about a soldier.

White Collar (9pm, USA) - Jones' classmate from the Naval Academy goes missing, so Jones joins Peter and Neal to investigate an international private security team, which could be linked to the disappearance.

Hef's Runaway Bride (10pm, Lifetime) - This special was supposed to be about Playboy magazine's Hugh Hefner's marriage to Crystal Harris, but instead, it's the story of the runaway bunny dumping Hef. This is an all-access special. Don't feel too sorry for Hef, though. He's still enjoying his blonde phase and I'm sure he's doing fine. Lucky Adrienne got to review it. 

True Grime (10pm, Investigation Discovery) - In the opener of this new reality series about crime scene clean-up, a grisly road-rage murder is examined.

HawthoRNe (10pm, TNT) - Christina and Nick team up to plan a birthday bash for Mama Renata (Miriam Colon). Meanwhile, Camille learns a seismic life lesson when she encounters Miles' wife.