After surviving a near-fatal fall, an equestrian stunt rider attempts to endure 21 days in Colombia. But when she and her partner fail to find food, they must grapple with the harsh possibility of starvation.

Marge gets a job in a high-pressure ghost kitchen, but when she tries to start a union, she gets more than she collectively bargained for.

The Top 24 travel to Aulani, a Disney Resort and Spa in Ko Olina Hawai'i, with 12 taking the stage for America's first vote this season. Tori Kelly mentors, performs, and joins the judges on the panel. Reigning American Idol Iam Tongi also performs.

Tyrannis and the nymphs arrange a meeting to negotiate peace between the city and the forest. Hippocampus and Nymph Daphne hide out in Hippocampus' bunker and start to have fantasies of each other, which takes a turn for the worse.

Elizabeth turns over a new leaf. Nathan returns home from an investigation, and Bill questions its outcome. Rosemary chases a scoop. Lucas makes a surprise announcement.

When Beef is threatened by someone else potentially dating Carissa, he decides to fight a new bear from Fat Bear Week. Meanwhile, Ham takes Aunt Dirt to the gay bars around town, but she struggles to feel comfortable.

Returning to Beacon 23, the inhabitants are still trapped under Aleph's watchful eye; after Aster's plan was cut short, Halan decides to see it through.

With the palace walls now breached, Elena and Zubak find themselves on the run - and seeking help from an everyday citizen - to evade capture by the rebels. Later, Elena leverages her skills in diplomacy - and duplicity - in a last-ditch effort to stay in power.

Gray and Colin clash over a big clean up. Gray dodges his family's growing suspicion. The Tongais pursue new business.

In Banning, California, a failing bar has caused a major rift between a brother and sister, and Jon Taffer must find a way to help them repair the damage.

Larry returns to Atlanta, where he gets involved in Richard's love life and reveals a secret about Cheryl.

John Oliver discusses new information about the methods used to carry out the death penalty, plus this week's earthquake in New Jersey, and John's new celebrity crush. It's not who you think. Whoever you're thinking of, you're wrong.

Alex has been captured and Tom, Kyra, and Jack must scramble to find him. As Scorpia shows the power of their new weapon, Invisible Sword, Alex is confronted by Julia Rothman with some uncomfortable truths about his father.

A dust storm kicks up a whirlwind of trouble-and emotions-for Gobo and the Fraggles. Sprocket has big feelings about a feline.

In a failed attempt to catch "The Cartwheel Killer", Marvin is eager for a new partner who won't slow him down. Someone sleek and tough, with the mustache befitting its own 80s TV show, Marvin looks for a partner just like him, if not better.

Charly and Joseph flee to Italy to seek shelter. Meanwhile, Hassan sends his volatile cousin to Marseille.

After raiding Saejin Church, Jun-kyung begins suspecting Kim Chul-min is hiding something - later tracking him down meeting with Su-in and Kang-woo.

Tom must deal with Marge's deep skepticism before embarking on a new, fictitious life in Rome.

When heart-breaking revelations push Riya to Manchester, Ali and Nish must continue investigating on their own.

Jeannie finds a warehouse where the band start to rehearse and forge an identity. Gregory schemes to keep his brother and Bardon safe.

Lucy breaks into the big time after her BAFTA nomination, but Jon has other ideas.