PRETTY LITTLE LIARS
Tuesday, 8 p.m., ABC Family (ABC FAMILY)

TRUE BLOOD, Sunday, 9 p.m., HBO (
)

HOARDING, Today, 9 p.m., TLC (
)

TODAY, Friday, 7 a.m., NBC (Matt Kent/WireImage.com)

Leverage, Today, 9 p.m., TNT (
)

RIZZOLI & ISLES, Monday, 10 p.m., TNT (
)

‘Teen’ scene

THE male cast of “Glee,” minus Matthew Morrison, will band together to host “Teen Choice 2010,” a harmless awards show that celebrates what’s hot in film, television, music and fashion. In addition to Chris Colfer, Kevin McHale, Cory Monteith and Mark Salling, “Twilight” studs Robert Pattinson and Taylor Lautner will also be on hand. Ellen DeGeneres makes a post-“Idol” appearance.

* TEEN CHOICE 2010

Monday, 8 p.m., Fox

Can’t ‘lie’ to the FBI

NEW evidence about Alison’s disappearance brings the FBI to town, and the last thing the girls want to do is go camping for Mona’s birthday party — and not even the mani/pedi station can lift their spirits when the evening takes a dangerous turn. Note: A “Pretty Little Liars” marathon will air Tuesday night from 11 a.m. to 7 p.m.

* PRETTY LITTLE LIARS

Tuesday, 8 p.m., ABC Family

Identity theft

DANIEL (Jordan Wall) phones Longworth (Matt Passmore) with some bad news gets — Carlos has been found dead. Longworth is speechless and horrified at the site of his face-down dead body, but not as aggravated as the real Carlos (Carlos Gomez), who is alive and pissed off. Thanks to his daughter’s Internet shopping addiction, he was the victim of identity fraud by the murder victim. Longworth tracks the victim to the fake-Carlos’ girlfriend (Abigail Spencer, “Mad Men”), a social anthropology doctoral student who has many research subjects who are emotionally attached to her. Longworth tracks down each of her subjects in his quest to find the real killer.

* THE GLADES

Today, 10 p.m., AMC

‘Blood’ ties

SOOKIE (Anna Paquin) feels unprotected when an emergency forces Alcide (Joe Manganiello) to take off. Meanwhile, Lafayette (Nelsan Ellis) gets a visit from his mother (Alfre Woodard). On other fronts, Sam (Sam Trammell) has his hands full with Tommy (Marshall Allman), and Jessica and Bill (Stephen Moyer) patch up their differences.

* TRUE BLOOD

Sunday, 9 p.m., HBO

Don’t light a match

IN the unusual series “Hoarding,” folks with the inability to throw out any of their junk are the subjects of a tough-love approach. This week, Bennie and Ronda both have houses full of stuff and lives filled with emptiness. Decades of compulsive hoarding has driven loved ones away. If they don’t get help soon, their hopes for happiness may remain buried amid their possessions.

* HOARDING

Today, 9 p.m., TLC

Live, in concert

ELECTRO-POP singer Ke$ha (below) will sing her monster hit, “Tik Tok,” as well as songs from her CD, “Animal,” when she appears live in Rockefeller Plaza on “Today,” as part of the show’s summer concert series. “Tik Tok,” Ke$ha’s debut single reached number one in 11 countries and was the longest-running number one debut single by a female artist since 1977. Her other hits include “Blah Blah Blah.”

* TODAY

Friday, 7 a.m., NBC

Can’t trust Dad

WHEN innocent small businessmen are blackmailed into committing crimes, the team’s investigation reveals an unlikely foe behind the scheme — Nate’s father (Tom Skerritt, “Brothers & Sisters,” right).

Timothy Hutton stars.

* Leverage

Today, 9 p.m., TNT

From Mayflower to the morgue

THE eldest brother in a Boston “Brahmin” family dies in an apparent sailing accident. Rizzoli & Isles investigate, but Jane (Angie Harmon) resents the family’s wealth and Maura (Sasha Alexander) may have too close a connection to the family, whose descendants came over on the Mayflower.

* RIZZOLI & ISLES

Monday, 10 p.m., TNT