K18HD-D

Exploring Costa Rica's biodiversity through its hummingbirds.

The dry, red planet Mars was once a blue water world studded with active volcanoes and may have even had the ingredients to support life.

A behind the scenes look at "The American Revolution" with Ken Burns, Sarah Botstein and David Schmidt to learn about the production, which took nearly a decade to complete.

Phyllis McGuire, Pat Boone and Nick Clooney host a trip back to the 1950s with a mix of live performance and archival footage featuring classic moments from artists such as Perry Como, Debbie Reynolds and the McGuire Sisters.

Mister Rogers shows how people make balloons; Lady Elaine tells Prince Tuesday that King Friday and Queen Sara may not be coming back from their trip; X the Owl continues his lessons from the OCS about Native Americans.

A snake gets lost in Arthur's house in "Hide and Snake"; Muffy and Francine grow apart in "Muffy's New Best Friend.".

The Wild Kratts discover a group of sifaka lemurs in Madagascar.

After a groundhog predicts more winter weather, Benny is convinced he will have snow on his birthday so he plans a snow-filled birthday party.

Lyla and her siblings figure out a new morning routine so they won't miss the bus again; Lyla wants to learn a popular clap and dance sequence -- the Carrot Cake dance.

Forrest makes too many plans on the same day; Carl and Arugula build an epic marble run but fail to get the marble to run.

Daniel gets upset when Dad interrupts their playtime so he can care for baby Margaret; Daniel is upset when Prince Wednesday wants to play with the baby instead of him.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Rick Steves' guidebooks, public-radio program and numerous television series have made him an essential resource for travelers wishing to explore Europe. This program finds the knowledgeable host offering globetrotters a fresh perspective on lodgings, transportation and places to visit on their journeys. One thing that hasn't changed, however, is Steves' belief that travelers should become "tempor

Exploring artifacts at the Alabado Museum; the Virgin of El Panecillo in Quito, Ecuador; a boat expedition in the Galapagos includes swimming with penguins, sharks, turtles and sea lions; hiking among iguanas and tortoises.

Chef Vivian Howard tackles the everyday questions home cooks face in the kitchen.

Chef Pati Jinich introduces authentic Mexican flavors, colors and textures into American kitchens. Each episode features a single Mexican food, ranging from familiar ingredients like vanilla to mysterious grains used by the Aztecs. Season 8 explores simple and delectable dishes from both Mexico and the United States, including street food, a seafood feast, taco recipes, lobster recipes, and a brea

Baby animals face new challenges as they learn how to get around on their own, from searching for food to surviving in harsh environments.

From Africa to Sri Lanka to Iceland, animal babies learn the most basic tools for survival during the first three months of life.

In the Cambridgeshire village of Grantchester in the 1950s, gruff, down-to-earth police inspector Geordie Keating's methodical approach to police work complements the intuitive techniques of local vicar Sidney Chambers, and later the Rev. Will Davenport. Geordie forms an unlikely partnership with both men of the cloth, and as partners they bring different insights into the crimes they start to unr

In the Cambridgeshire village of Grantchester in the 1950s, gruff, down-to-earth police inspector Geordie Keating's methodical approach to police work complements the intuitive techniques of local vicar Sidney Chambers, and later the Rev. Will Davenport. Geordie forms an unlikely partnership with both men of the cloth, and as partners they bring different insights into the crimes they start to unr

Various guests and employees come under suspicion as the local police search the hotel for the missing heirloom.

Experts analyze prominent international affairs topics and America's role in a shifting world.

Exploring America's national parks and scenic wonders around the world.

Keira Knightley embarks on a journey of discovery to explore her grandparents' wartime stories.

Award-winning musician Emeli Sandé explores her grandparents' war stories which span World War II, the Mau Mau insurgency in Kenya and the fight for independence in Zambia.

Lucy Worsley reinvestigates and reveals new evidence about some of British history's biggest unsolved mysteries.

A special police team investigates a series of complex murders that take place around the Austrian resort of Kitzbühel.

Keira Knightley embarks on a journey of discovery to explore her grandparents' wartime stories.

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Chris sets up an elaborate treasure hunt centering on a rare group of insectivores.

Kate appears to be hypnotized by the soccer game on the television; when Pal has to wear a cone, he takes advantage of his friends' special treatment and the decision comes back to bite him.

Lily and her family discover a surprise and also embark on a weather hunting expedition.

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Lily and her family discover a surprise and also embark on a weather hunting expedition.

Daniel thinks about what Grandpere needs to be comfortable when he sleeps over at Daniel's house; Daniel, Chrissie and Prince Wednesday have a tea party.

Phoebe and Jay accidentally get paint on the mail and have to decode addresses; Phoebe and Jay find their parents' box of memories.

Abby sees Nina and Charlie tap dancing and tries to keep up, but she doesn't know how to do the moves and follow the rhythm.

The Wombats use a 3D printer to save Cake Day when Mr. E's cake table collapses; the Wombats create a pretend vacation to cheer up Buckley.

Duck enjoys "me time" at the beach; the pals like different things at Donkey's sleepover.

Uncle Steve takes the kids to the park for the Wonder Walrus show; Rosie and Javi make a space museum.

Olive's sneeze startles the kids when they are playing in the forest, prompting Elinor to learn about what causes sneezes in the first place; Ari wants to wear his lucky shirt for the big soccer game, but it is much too small for him.

Alma wants to see everything at the American Museum of Natural History fast, and Junior wants to go slow; Alma's friends want to add their favorite things to Alma's Bronx diorama.

Molly, Tooey and Trini make pumpkin boats after Trini's giant pumpkin crashes on the ground; Molly and Tooey find a stowaway baby fox in their sled bag.

Theodore Roosevelt helps Brad overcome his dislike of creepy crawly things, showing him that nature needs space to live and grow; Eleanor Roosevelt teaches Xavier that any job can be amazing as long as you help others.

British historian Lucy Worsley delves into the complex love-hate relationship between Sherlock Holmes and the man who created him, Arthur Conan Doyle.

Based on the crime-novel series by author Caroline Graham, "Midsomer Murders" follows the efforts of Detective Chief Inspector John Barnaby to solve crimes that occur in the wealthy, isolated English county of Midsomer, a picturesque and peaceful place on the outside but one filled with amoral and snobbish eccentrics with all kinds of vices. His latest assistant is Detective Sergeant Jamie Winter.

Samantha Brown explores the emotional heart of travel and the people who change, challenge and strengthen a destination.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Chef, cookbook author and TV host Sara Moulton presents helpful hints for preparing quick and easy healthy meals at home. Episodes feature ideas for Sunday suppers, for one-pot meals, and for preparing flavor-packed meals using only five ingredients. Some recipes include pork tournedos with sage and prosciutto, steamed mussels in curried coconut broth, a fried-catfish bacon/lettuce/tomato sandwich

Samantha Brown explores the emotional heart of travel and the people who change, challenge and strengthen a destination.

Contributions from women athletes, artists, activists and more.

Fred Rogers postcards circa 1968; a 1966 Milton Glaser-signed Bob Dylan poster; a Tiffany Studios special order tulip lamp circa 1915.

A look at the life and career of actress Marlee Matlin as she shares her story in American Sign Language.

Fred Rogers postcards circa 1968; a 1966 Milton Glaser-signed Bob Dylan poster; a Tiffany Studios special order tulip lamp circa 1915.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Twenty-four hours a day, the latest national and international stories as they break.

This daily news program, produced by Japanese public broadcaster NHK, focuses on headlines and current events in Japan and other Asian countries. English-speaking presenters also cover other areas of interest, including business news, science and technology trends, sports highlights, and global weather forecasts.

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Chris sets up an elaborate treasure hunt centering on a rare group of insectivores.

Cellist Yo-Yo Ma duels saxophonist Joshua Redman in "My Music Rules"; Arthur loves a children's show in "That's a Baby Show!".

The Hunters find a stowaway in their picnic basket, a little furry dog.

Lyla asks customers for their leftover pumpkins, but then gets way too many; Lyla and Luke put their sisters, Liana and Louisa, through a babysitting test.

Nico is tired of being mistaken for her twin sister; Carl is upset when Nico breaks the Lint Dinosaur Monday rules and makes a Lint Monster instead.

Daniel tries to repair a broken trolley on his own; Daniel and Miss Elaina figure out how to fix a broken toy.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

Big Bird and a cast of characters including the likes of Bert and Ernie, teach children numbers, colors and the alphabet.

Super babysits Herbert while the Wombats help organize his surprise birthday party; Sammy's mom, Yolanda, organizes a fun photo scavenger hunt.

Donkey and Panda discover a golden rainbow after a storm; Donkey vows to help fix Grampy's walking stick after it breaks.

Rosie and Javi transport a watermelon to the park for the family picnic; Rosie builds a dino cave for Iggy.

The kids try to get animals to the Flower Garden for its grand opening; the kids try to find out how their snow sculptures got ruined.

Alma and friends build a cardboard clubhouse; Alma solves the case of a missing piragua.

Molly panics about going to the dentist; Molly and Tooey stumble upon a mystery visitor in Qyah.

Jerry Siegel and Joe Shuster encourage Brad to believe in the power of his imagination; Edmonia Lewis inspires Xavier to create a piece of art for his mom that represents their family.

Contributions from women athletes, artists, activists and more.

Showbiz pals Pam Ayres and Geoffrey Whitehead head to an auction in Cirencester alongside Kate Bliss and James Braxton.

Some of the world's most extraordinary train journeys are followed from the air and on the ground, taking in spectacular scenery and exceptional engineering.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

The host visits various California neighborhoods.

Exploring America's national parks and scenic wonders around the world.

Singers Ciara and Alanis Morissette examine their family histories.

The rise of politician and activist Bella Abzug and her commitment to women's rights and progressive causes.

Singers Ciara and Alanis Morissette examine their family histories.

The rise of politician and activist Bella Abzug and her commitment to women's rights and progressive causes.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

This daily news program, produced by Japanese public broadcaster NHK, focuses on headlines and current events in Japan and other Asian countries. English-speaking presenters also cover other areas of interest, including business news, science and technology trends, sports highlights, and global weather forecasts.

Lyla figures out how to do a magic trick with clues from Miss Emmaline; Luke finds a puppy.

Chris challenges Paisley Paver to a race to the top of Goat Mountain, and the winner will decide the future of the mountain ecosystem.

Buster tries to build a birdhouse that will deter pests from the community garden; Muffy and Francine design a cat toy.

The Hunter kids head to the state park to learn why leaves change color.

Lyla figures out how to do a magic trick with clues from Miss Emmaline; Luke finds a puppy.

Carl and his friends clean up the Fuzzytown Park; Carl accidentally breaks the birthday present Sheldon planned to give his mom.

Daniel's teacher explains the importance of learning from one's mistakes; Prince Wednesday spills the milk when he's trying to make cookies.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

Elmo is feeling excited and a little scared to go down the big slide for the very first time; Chris helps Elmo by holding his hand as he goes down the slide.

Mr. E has a lot of ping-pong balls and the survey says that he should sell the purple ones; Super's lost her glasses and the Lost and Found Patrol try to find them.

Duck Duck learns how to fix her broken bookcase; Donkey welcomes Greeble the Treeble to Someplace Else.

Rosie, Iggy and Crystal make a movie; Mom finds a photo from the day they got Gatita.

The Exploring Club discovers that there is an entire community of critters living under logs; Elinor, Ari and Olive learn how rain is helpful to plants and animals.

Alma searches for the best way to greet others; Alma wants to figure out why Junior is shy around his new sitter.

Trini must figure out how to make her mom omelets when the chickens stop laying eggs; Trini doesn't like Alaska's cold winter and thinks about moving back to Texas.

Xavier, Yadina and Brad learn about courage and bravery when they meet Harriet Tubman, a woman who escapes slavery and risks her life to help others do the same.

Singers Ciara and Alanis Morissette examine their family histories.

The rise of politician and activist Bella Abzug and her commitment to women's rights and progressive causes.

Black movement over the 20th and 21st centuries and how it has shaped the U.S.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Energy and climate point-counterpoint talk show moderated by energy scientist and television host Dr. Scott Tinker.

The future of the agriculture industry and stories of how it touches us all far beyond the table.

Discovering the wildlife and landscapes of Portugal -- including wild horses, storks, monk seals and more -- from forests to coasts.

Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.