Neal Justin's TV picks for July 21 – "Drug Lord: The Legend of Shorty," "Children for Sale," "Knock Knock Live"
July 20, 2015 at 5:03PM
Jada Pinkett Smith, deliciously evil on "Gotham," shows off her angelic side in "Children for Sale: The Fight to End Human Trafficking," a new documentary in which the actress travels to Atlanta, where she follows law enforcement on raids and rescues of underage girls. 8 p.m. CNN
Who's there?
In his never-ending quest to dominate every hour of television, Ryan Seacrest hosts "Knock Knock Live," a new series in which celebrities emcee money-winning games on people's doorsteps. David Beckham, Lea Michele and Common are among those playing this unique version of trick or treat. 8 p.m. KMSP, Ch. 9
Prison break
Talk about fateful timing. "Drug Lord: The Legend of Shorty" makes its TV premiere on "Frontline" just weeks after its subject, cartel leader Joaquin "El Chapo" Guzman Loera, made his second escape from a Mexican prison. 9 p.m. TPT, Ch. 2
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