The outcome of Will's investigation weighs heavily on his mind as he works with Dylan to save a 4-month-old patient. Stevie and Vanessa both struggle to keep their secrets. Crockett and Blake work with Abrams to save a patient in need of a liver transplant.
Paul attempts to train an overly eager German Shepherd puppy who doesn't know how to calm down, and has to gain the trust of a terrified West Highland Terrier.
With the FBI closing in on the Roy Walton investigation, Voight and Halstead strategize on a way out. After a city bus driver is shot by a passenger, the team investigates a possible abduction.
When the Gang suspects Dee is menopausal, they scramble to find a new employee for Paddy's Pub. Dee decides to put her acting career on hold in order to mentor young actors.
In the past, an innocent Dennis learns the horrifying details of Frank's business, a truly sweet Dee is excited to head off for Hollywood, while Charlie and Mac's jobs at the roller rink are in jeopardy.
The final two singers from "Group B" perform solo, and then with celebrity duet partners and show panelists Nicole Scherzinger and Robin Thicke, before one is unmasked and sent home.
Gina and Emily investigate a juicy rumour about Shannon and Heather's old friend, Nicole; Gina feels compelled to reveal the truth, resulting in an explosive string of arguments that shuts down Heather's party.
Seung Yoo tries to bring Yoon Su out into the world from her rut by getting close to her heart, just the way she helped him. Meanwhile, Yoon Su keeps her identity hidden while collecting evidence of Noh Jung Ah's corruption. However, when Yoon Su's identity is in danger of getting exposed, Seung Yoo stands in front of her.
Working-class Americans are tested for their strength, endurance, agility and mental toughness in challenges that take place in the real world.
Mark and Digger retrieve their sea-aged whiskey only to discover how easily it slips through their fingers. Richard and Craig run into trouble upsizing absinthe production. Tickle and the Laws look to moonshine history to get their season on track.
In Kentucky, 13-year-old David Oakley comes home to find his stepmother murdered and his 15-year-old sister Jenna missing. Fearing for the girl's safety, police race to piece together a killer's video trail, only to uncover a brutal plot.
On a remote island in the Pacific, Will Smith descends into the heart of an active volcano to investigate sounds beyond human hearing. Will discovers that everything on our planet creates its own unique sound—even if we can’t always hear it.
For Will’s final journey, an ultimate challenge. He and polar explorer Dwayne Fields are dropped by helicopter in the middle of an Icelandic glacier.
Will explores the Namibia Desert, where both the landscape and time seem to have stood still for over 50 million years. Will discovers that humans can only see a small sliver of what’s moving around us because everything on the planet is happening either too fast or too slow for us to perceive.
In a deep-water submersible, Will Smith descends 3,300 feet to the bottom of the ocean, where even fewer people have gone than outer space. Along the way down, Will and explorer Diva Amon investigate how color is used in the natural world.
Thirty years ago, Will Smith was mesmerized by a photo of the incredible wildebeest migration across the Serengeti in a National Geographic magazine. Now he visits those same wildebeests and discovers an amazing survival strategy.
The campmates have nearly endured three weeks in the castle. They continue to take on trials to win stars for camp, all hoping to be crowned this year's King or Queen.
On the trail of tiger sharks in the Pacific, Will explores the power of smell. For humans, the sense of smell triggers deep memories and emotions, but it has an even more vital function in the animal world.