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The "America's Got Talent" judges will pass judgment on the Center Stage dancers from Orem tonight (7 p.m., NBC/Ch. 5) — they'll decide if the youngsters, ages 14-18, will advance to the next round of the competition or go home.

The regular panel — Howard Stern, Heidi Klum, Howie Mandel and Mel B — will be joined by guest judge Michael Bublé as the Center Stage troupe performs. Seven of 20 acts will be chose to move on the "live" shows.

(And by live, NBC means live in the Eastern and Central Time Zones; they wil, as always, be tape-delayed here in Utah.)

Elsewhere on TV ...

"Humanity from Space" (7 p.m., PBS/Ch. 7): A look at the evolution of humans from hunter-gatherers to the dominant species on Earth..

"Rizzoli & Isles" (7 and 9 p.m., TNT): The only witness to a murder suffers from facial-recognition blindness.

"Extreme Weight Loss" (8 p.m., ABC/Ch. 4): A 342-pound woman whose husband has a terminal illness hopes to become healthy for their two children.

"Are You Smarter than a 5th Grader?" (7 p.m., Fox/Ch. 13): Jeff Foxworthy hosts.

"Zoo" (8 p.m., CBS/Ch. 2): Jackson, Abraham, Mitch, Jamie and Chloe are assigned to find what's causing the strange animal behavior around the world.

"Knock Knock Live" (8 p.m., Fox/Ch. 13): The premiere of the unscripted series in which a knock on the door could unlock an opportunity to win cash, meet celebrities or a concert on the front lawn.

"Proof" (8 and 10 p.m., TNT): A dead computer programmer may have used groundbreaking technology to record his death.

"Hollywood Game Night" (9 p.m., NBC/Ch. 5): Celebrity guests are Josh Groban, Cheryl Hines, Jerry Ferrara, Ciara, Michael Chiklis and Wanda Sykes.

"Frontline" (9 p.m., PBS/Ch. 7): In a report titled "Drug Lord: The Legend of Shorty," filmmakers Angus Macqueen and Guillermo Galdos set out to interview Joaquín "El Chapo" Guzmán Loera, the head of the powerful Sinaloa drug cartel.

"Pretty Little Liars" (9 p.m., ABC Family): Spencer and Hanna want to capture Charles; Emily and Aria want to stay away from him.

"Stitchers" (10 p.m., ABC Family): The team are quarantined while working on a case involving the suicide of a disease researcher.

"Tut" (10 p.m., Spike): In the conclusion, Tut sets out to achieve total victory against the Mitanni. (Part 1 repeats at 6 p.m.; Part 2 repeats at 8 p.m.)

"Chrisley Knows Best"(10 p.m., USA): Todd worries about getting older; the family goes to a dude ranch.

"P.O.V." (11 p.m., PBS/Ch. 7): In "Return to Home," follow the transformation of a one-time goalie for the Syrian national soccer team from peaceful protester to armed opponent of Syrian president Bashar al-Assad's regime.

"Scream: The TV Series" (11 p.m., MTV): Emma and Audrey receive a mysterious message.

"Royal Pains" (11 p.m., USA): Hank has an epiphany after running into his former fiancée.

"Another Period" (11:30 p.m., Comedy Central): Frederick is subjected to a psychological evaluation to determine if he's fit for a Senate run; Hamish tries to blackmail Chair.