K50GL-D

The Andes, Earth's longest mountain range; baby bears make treacherous descents, rare hummingbirds compete for mates, frogs freeze and revive and lizards battle for territory, all in a land of extremes -- plus new pop-up fun facts.

When a stranger threatens Rollins and Carisi's lives, they suspect it's connected to a case they worked together; Benson asks an old friend to come out of retirement for help with an investigation.

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Actress Millie Bobby Brown; actor Sam Worthington; sombr talks and performs.

Actor Joel McHale; actress Alison Oliver.

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Reporting of breaking news and developing stories in real time.

Stay informed with the latest breaking news and headlines.

This early-morning news covers overnight events, breaking domestic and international news as well as a preview of the day's anticipated events. The program also presents regular reports from the worlds of business, entertainment and sports.

This early-morning news covers overnight events, breaking domestic and international news as well as a preview of the day's anticipated events. The program also presents regular reports from the worlds of business, entertainment and sports.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Melanie Martinez performs.

Summer skin concerns with Dr. Angela Lamb; Food for Thought: Functional cookies; Amazon Prime Day Viral Sales with Adrianna Brach; Melanie Martinez performs.

Actress Chrissy Metz; Bridget Bahl and Mike Chiodo open up about Bridget's cancer journey; outdoor fun and games with Meredith Sinclair.

Sunny Anderson and Nate Berkus join Drew and Ross Mathews to cover the hottest topics of the day.

Samin Nosrat joins Drew to chat about her cookbook "Good Things" and whip up something in the kitchen.

The Emmy-winning quiz show features a unique answer-and-question format.

Join the team at Swiss American Financial Solutions as they discuss common sense retirement planning and achieving financial security in the 21st Century.

NBC News provides viewers with the latest national and international news; consumer, health and personal finance reporting; up-to-the-minute local news.

A homeowner says her contractor vanished after taking advance payment for custom doors; the contractor blames backorders, hospital stays and her constant design changes for the delays; when flaky fixes and flimsy fibs jam the frame, the judges pry open the truth.

A man let his couch-surfing best friend move into his house with him, but, years later, he sues him for nonpayment of rent and accuses him of sexual assault.

Child support and failing vision come into play when lovers call it quits; a disabled young man accuses his former friends of bullying, but they call it staging an intervention.

A former tenant says he was unlawfully evicted, and his possessions were trashed; a mother of eight children accuses her landlord of locking her out.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Tom Llamas anchors the latest news, going beyond the headlines to see how lives are affected by the world around them.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

The Emmy-winning quiz show features a unique answer-and-question format.

In a classic game-show version of "Hangman," contestants solve word puzzles for cash and prizes.

The world's most talented amateur performers -- singers, dancers, magicians, comedians and more -- appear before celebrity judges and compete to win a life-changing prize, as well as millions of viewers' hearts.

Anchored by Lester Holt, "Dateline" is NBC's signature newsmagazine, bringing viewers storytelling at its best by putting the pieces together to present the full picture of real-life events. NBC News correspondents cover compelling stories and issues of the day, ranging from mystery and crime to in-depth investigations and breaking-news events.

Stay informed with the latest breaking news and headlines.

Hailing from Rockefeller Center in the heart of New York City, Jimmy has made it his mission to make sure viewers end the day with a smile; each weeknight, he hosts A-list guests, from movie stars to athletes, comedians, public figures and everyone in between; he also delivers a signature nightly monologue, performs in topical comedy sketches, plays fan-favorite games, and presents recurring segme

With his signature monologue and sharp newsy segments like "A Closer Look," Seth Meyers hilariously breaks down the day's biggest stories and takes the current political circus head-on. He then welcomes Hollywood's most beloved A-list guests, as well as people not seen anywhere else in late night, like political figures and other interesting newsmakers. With fan-favorite comedy segments that becom

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Paid programming.

A journey through the historic port cities on the Sail4th 250 route, uncovering the maritime waterways that shaped the nation and continue to bring its living history to life today.

Ashley finds herself in the beautifully charming city of Charleston, S.C., where there's gin flowing, Southern cooking and crystal-clear water.

Jared Haibon heads down to Dallas, stirring up some southern charm with Opal Lee; Texas State Fair; chef Tiffany Derry.

Paid programming.

Machinery Pete, an expert on farm equipment, shares insights and expertise in a summary of the used farm equipment market.

News headlines, interviews, and stories intended to inform, entertain, inspire and set the agenda each morning for Americans and help viewers with their finances, health and well-being.

Interviews, news stories and reviews.

Stay informed with the latest breaking news and headlines.

From Hazeltine National Golf Club in Chaska, Minn.

From TPC River Highlands in Cromwell, Conn.

Paid programming.

Paid programming.

Paid programming.

The judge threatens to make a phone call that will shut litigants down; ex-lovers fight over custody of a car and make unreasonable title claims.

Stay informed with the latest breaking news and headlines.

Tom Llamas anchors the latest news, going beyond the headlines to see how lives are affected by the world around them.

Stay informed with the latest breaking news and headlines.

The team investigates a shipwreck carrying exotic animals that now threaten the native wildlife on Oahu; Alex sustains a career-ending injury; Kai asks a fish and wildlife agent out on a date.

The new regional finals begin as ninjas from the western region compete for a spot in the national finals; the Tripleheader, a supersized three-lane racecourse, debuts as ninjas go head-to-head-to-head in side-by-side races.

Anchored by Lester Holt, "Dateline" is NBC's signature newsmagazine, bringing viewers storytelling at its best by putting the pieces together to present the full picture of real-life events. NBC News correspondents cover compelling stories and issues of the day, ranging from mystery and crime to in-depth investigations and breaking-news events.

Stay informed with the latest breaking news and headlines.

Host Alexander Skarsgård; Cardi B performs.

Residents of Provincetown, Mass., regard the city as a refuge, a muse and the only place they would call home.

Exploring New York interiors, from classic to contemporary.

Artful design takes center stage in a classic loft and a Brooklyn apartment; history comes to life in the Bronx.

Paid programming.

Paid programming.

Paid programming.

Chris Pratt and Charlie Day ("The Super Mario Galaxy Movie"); Emily Rudd; Vince Vaughn; Heather Graham; filmmakers Phil Lord and Chris Miller; the cast of "You, Me & Tuscany"; Bradley Whitford; director Maggie Gyllenhaal ("The Bride"); Thandiwe Newton; K-pop group BTS.

WalkFit® Platinum - A Customizable Orthotic to Relieve Your Body Pain at an Unbeatable Price. Over 25 million people have improved the quality of their lives!

Paid programming.

Sharp conversational coverage of the week's news, along with in-depth profiles of the people and personalities shaping American culture, assessing the highs and lows of the week and looking ahead to the next one.

Stay informed with the latest breaking news and headlines.

Interviews with public figures and those making news, setting the political agenda and spotlighting the impact Washington decision-making has on Americans.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

The latest highlights and news from the PGA Tour.

From Hazeltine National Golf Club in Chaska, Minn.

The PGA Tour Travelers Championship final round ends at TPC River Highlands in Cromwell, Connecticut. Field leaders fight through the final 18 holes of the par-70 layout to claim the trophy and the biggest share of the $20 million purse.

From Fenway Park in Boston.

In a classic game-show version of "Hangman," contestants solve word puzzles for cash and prizes.

When a fire breaks out in a park that contains an eagle nest, Station 42 and Three Rock work to rescue the protected species and try to prevent the fire from spreading into town.

The station 42 crew must protect Edgewater and take cover when an extremely rare and dangerous fire tornado leaves lives in peril.