“Sons of Anarchy” star Charlie Hunnam arrives at the premiere of the show's third season, in Los Angeles on Monday. The show kicks off with Hunnam's character, Jax, continuing the search for his kidnapped son.

“9/11: After the Towers Fell” 9 p.m. tonight, Discovery Channel

“9/11: After the Towers Fell” is a new documentary that tells the stories of rescue workers and civilians who took on the grim task of searching for survivors in the rubble after the attacks on the World Trade Center.

“Leverage” 9 p.m. tonight, TNT

In the summer finale of “Leverage,” Nate (Timothy Hutton) and his team target a hockey goon-turned money launderer who could lead them closer to the sinister international crook Damien Moreau. The story will pick up with new episodes in December.

“Thintervention” 10 p.m. Monday, Bravo

Expect the sweat to flow and the pounds to drop in the new weight-loss series “Thintervention.” Fitness expert Jackie Warner puts eight plus-sized participants through a series of extreme workouts in order to reshape their lives.

“Sons of Anarchy” 10 p.m. Tuesday, FX

This blistering drama about an outlaw biker gang received nary a mention on Emmy night, but don’t let that fool you. It ranks among the very best shows television has to offer. As “SOA” revs up for Season 3, we find a desperate Jax (Charlie Hunnam) still searching for his kidnapped young son, Abel — and vowing to bring down some heavy metal thunder on the perpetrator. Meanwhile, Gemma (Katey Sagal) is on the lam after being framed for murder. Just thinking about it gets our motors runnin’.

“White Collar” 9 p.m. Tuesday, USA

On the midseason finale of “White Collar,” Neal (Matt Bomer) constructs an elaborate con in order to confront the person who killed his ex-lover, Kate. And, yeah, we expect things to get a little dicey.

“America’s Next Top Model” 8 p.m. Wednesday, The CW

Looking to shake things up — and boost its fashion cred — “America’s Next Top Model” has brought in “Vogue Italia” for its 15th cycle (Farewell, “Seventeen”). Still, some things never change: Expect to see plenty of emotional meltdowns among the models.

“Hellcats” 9 p.m. Wednesday, The CW

In the new drama series, “Hellcats,” a beautiful law student (Aly Michalka) reluctantly tries out for the university’s cheerleading squad in hopes of landing a scholarship that will allow her to stay in school after her financial aid dries up. Ashley Tisdale (“High School Musical”) co-stars.

“Terriers” 10 p.m. Wednesday, FX

As far as we can tell, the new series, “Terriers,” has nothing to do with dogs. Donal Logue stars as a disgraced former cop who teams with his best buddy (Michael Raymond-James) to do unlicensed private detective work. And then crimes happen.

“The Vampire Diaries” 8 p.m. Thursday, The CW

Season 2 of “The Vampire Diaries” picks up with Elena (Nina Dobrev) discovering the bloody body of her Uncle John, and Damon (Ian Somerhalder) realizing that evil vamp Katherine has returned. And you thought we were in for some happy moments.

“Nikita” 9 p.m. Thursday, The CW

Take our advice: Don’t mess with Maggie Q. In “Nikita,” she stars as a vengeful spy and assassin who packs a lethal punch. She also happens to look great in a swimsuit.

“Stand Up to Cancer” This program airs at 8 p.m. Friday simultaneously on ABC, CBS, Fox and NBC, as well as several cable outlets

In a rare display of unity between big-name news anchors, Katie Couric, Diane Sawyer and Brian Williams host “Stand Up to Cancer.” It’s a star-studded fund-raiser to benefit cancer research.

“Cops” 8 p.m., Fox

“Cops” kicks off its 23rd season with its 800th episode. That’s a whole lot of drug busts and domestic disturbances.