NGTV Guide: Tuesday, July 20

Pretty Little Liars – ABC Family 8/7c
“Homecoming Hangover” – In the aftermath of the disastrous homecoming dance, the girls try to sort out the devastation that is left behind. Parents, boyfriends (secret ones, possible ones and current ones), siblings and friends are all in flux and if the little liars don’t act fast the situation could go from bad to worse. And to top it off, the girls are sitting on some killer information about Toby that some people would die to get their hands on. Meanwhile, “A” isn’t the only one sending Aria text messages as tensions rise in the Montgomery household.

Warehouse 13 – SyFy 9/8c
“Beyond Our Control” – When an artifact meant for the Warehouse turns up in the small town next door, the team finds themselves in the middle of a B-movie meltdown complete with cowboys, gladiators, sci-fi robots and beach storming marines. Their only chance of survival rests with the man who invented television, Philo T. Farnsworth.

White Collar – USA 9/8c – SEASON PREMIERE
“Need to Know” – Neal (Matt Bomer) goes undercover as a political “fixer” in order to bring down a corrupt politician (guest star David Alan Basche).

Covert Affairs – USA 10/9c – SERIES PREMIERE
“Walter’s Walk” – Being the new girl in the CIA’s Domestic Protection Division, Annie (Piper Perabo) gets the jobs nobody else wants, like doing lunch runs and debriefing the crazy “walk-ins.”  But after a woman and her son bring Annie evidence of an active IRA group in the United States, Annie finds herself in a race to find them before the cell silences them permanently.