Celebrities kickstart a chain of kindness, each gifting $100,000 to an unsuspecting individual who have had a positive impact on their lives — with a catch. Watch as the “pay…

When Gabriel Iglesias was in high school, speech teacher June helped him overcome some serious issues. Now she’s at a taping of his show – and in for a big…

Karlie Kloss surprises a former student of her Kode With Klossy camp. And this proud pupil has another mentor she’d like to thank.

Basketball star Anthony Davis thanks a Los Angeles local graffiti artist for welcoming him to the city when he was traded to the Lakers.

Tracy Morgan overwhelms an inspiring gym owner. Later, this community leader gets to pay it forward with an old friend.

Yara Shahidi kicks off this chain by honoring the legacy of childhood friend Cameron Boyce.

Before he lit up the NFL, Aaron Rodgers had a mentor who helped him believe he could get there. Now he’s ready to return the favor.

Kristen Bell shows her appreciation for a pre-school teacher who taught her a lot about motherhood.

Nick Jonas surprises longtime fan and mental health awareness advocate Carla, who in turn repays the kindness with a visit to her old high school drama teacher.

Hospital staff helped Kevin Hart recover from a serious car accident. He’s back to return the favor — and to encourage the staff to do the same.

Jennifer Lopez starts the chain of kindness by celebrating an inspiring young fan and her mother.

New discoveries reveal the mystery of what happened to the ancient superpower that once thrived in the Amazon jungles, and using cutting-edge archaeological methods, experts are hot on the trail…

Explore phenomenal female animals: the rebel matriarchs, powerful leaders and dangerous lovers of the natural world.

One of the biggest web-building spiders in the world, the orb spider must find a way to mate with her male counterparts who are approximately fifteen times smaller than she…

The femme fatale of female fireflies is part seductress, part vampire, as Reese shows us the fireflies’ deadly trickery to provide nourishment to their young.

Hyenas are the girl gang of the Savannah. They hunt in packs, get first bite of their prey, and outrank every male in their group, making them some of Africa’s…

We explore the world of mating seahorses which are the only animals in the world that have a major gender role reversal.

Enter the fascinating, and sometimes brutal world of honey ants, struggling not just for survival, but power – all in service of their fearless leader, the queen.

Reese explains the world of female Macaques who use sexually enticing ways to ensure their baby monkeys will grow up with strong male protectors.

Reese takes us on a journey with two teenage cheetah sisters, coming of age in the wild and learning how to work together to survive.

Americans have faced adversity before—overcoming it is baked into the nation’s DNA.

America is forged in the fires of adversity. These stories chart the challenges that helped shape a nation. In the mid-1800s, America faces its darkest hour yet. Abraham Lincoln is…

From the very beginning, America is a nation shaped by adversity. These are the stories of the challenges that helped shape a nation. How our forebears survive the “starving time”…

In the Amazon Basin, Gordon finds a wealth of opportunities to create his spin on traditional Guyanese cuisine.

Cassie is sad that her temporary teaching assignment is winding down. Sam is forced to take unused vacation time, so he and Cassie try to find a hobby they both…

The Amazon rainforest is known for its lush landscape and dense forest, but did bustling cities once flourish there centuries ago? In an all-new Science Channel series, LOST CITIES OF…

Your 90 Day favorites invite you into their homes as they watch the latest episode of Happily Ever After? Join Loren and Alexei, David and Annie, Tarik and his brother,…

A look into the elite and fast paced lives of five successful women, including doctors and doctor’s wives living in Los Angeles. With an incredibly small and exclusive African American…

Set in London, where gratification is only an app away, the story centers on Arabella, a carefree, self-assured Londoner with a group of great friends, a boyfriend in Italy, and…

Jamie plays cover-up and damage control with Hendon. Governor Perry hears a $6 billion pitch for a development right on the Yellowstone, and later makes some political maneuvers. Jimmy competes…

The recruits take a trip to Italy by playing a game of blindly identifying Italian ingredients using touch, taste and smell. Then, Chef Anne Burrell and Chef Alex Guarnaschelli test…

Elizabeth’s new discovery threatens the wedding. Colt comes clean to his mother. Karine discovers more about Paul’s America. Angela is desperate for a witness. Larissa makes a surprising call. Kalani…

Life after the 90 Days continues as the couples look back on their 90-day journey and realize their lives as newlyweds have not gotten easier.

Kathy wants Cristina’s new kitchen to match hers. Sarah and Laurie have a scare at Wienerfest. Cher and Jared worry Dawn is overstaying her welcome. After going on a date,…

Revolution has finally come. As Layton leads the lower classes forward in armed rebellion, Melanie’s house of cards collapses.

After Courtney gets herself into some trouble following an unexpected confrontation, Pat decides they need to come clean to Barbara. Meanwhile, Cindy takes heat from her father after a plan…

Gripping examination of the unsolved crimes of the Golden State Killer who terrorized California in the 1970s and 1980s.

The origins of American Fiction’s most legendary criminal defense lawyer, Perry Mason, set in 1932 Los Angeles. When the case of the decade breaks down his door, Mason’s relentless pursuit…