Episode 21

Twelve of Naked and Afraid's toughest and most experienced all-stars take on South Africa's punishing Oribi Gorge in a completely new type of challenge. For the first time ever, survivalists will compete head-to-head through a grueling, multiphase challenge and have their primitive skills tested for the chance to win $100,000. The competition is fierce, as survivalists can use any means necessary - even sabotage - to take home the grand prize. At the end of 45 days, only one can be crowned the Last One Standing.

With the talent search open to acts of all ages, America's Got Talent has brought the variety format back to the forefront of American culture by showcasing performers from across the country. The series is a true celebration of the American spirit, featuring a colorful array of singers, dancers, comedians, contortionists, impressionists, jugglers, magicians, ventriloquists and hopeful stars, all vying for their chance to win America's hearts and the $1 million prize.

Outlander: Blood of My Blood explores the lives and relationship of Claire's parents, Julia Moriston and Henry Beauchamp, and Jamie's parents, Ellen MacKenzie and Brian Fraser. The series centers on these two parallel love stories set in two different time periods, with Jamie's parents in the early 18th-century Scottish Highlands and Claire's parents in WWI England.

Seth Meyers, who is Saturday Night Live's longest serving anchor on the show's wildly popular "Weekend Update," takes over as host of NBC's Late Night — home to A-list celebrity guests, memorable comedy and the best in musical talent.

As the Emmy Award-winning head writer for "SNL," Meyers has established a reputation for sharp wit and perfectly timed comedy, and has gained fame for his spot-on jokes and satire. Meyers takes his departure from "SNL" to his new post at "Late Night," as Jimmy Fallon moves to The Tonight Show.

American Ninja Warrior is an action-packed series that follows competitors as they tackle a series of challenging obstacle courses in both qualifying and finals rounds across the country. Those that successfully complete a course in their designated region move on to the national finals round in Las Vegas, where they face a stunning four-stage course modeled after the famed Mt. Midoriyama in Japan.