Exploring the period between 1963 and 1976 when America was forced to confront the purpose of the vice president and the succession process that is enacted if a president is unable to serve.

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

Richard Nixon's political career includes his rise from congressman to president, foreign policy innovations and disgrace.

Exploring the period between 1963 and 1976 when America was forced to confront the purpose of the vice president and the succession process that is enacted if a president is unable to serve.

Fern gets a cell phone; Brain does not want everyone to know that he was held back in kindergarten.

Olive and Otto investigate why things are disappearing all around town; one of the four Debbies from Debbie's Pizzeria disappears.

Martin and Chris help a stranded koala.

Alma has to learn how to make rules that are fair for everyone when she is elected mayor of Cardboard City; Alma and Junior learn that little acts of kindness make a big difference.

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.

Carl doesn't know what to do when Nico falls; Carl learns a new word - shindig.

Jodi is nervous about her first day at a new school, but Daniel Tiger helps her feel comfortable; Daniel is nervous playing at Jodi's house, until he finds blueberries, which make him feel better.

When Rosie and Javi find out Tia's bringing home a dragon, they anxiously prepare for its arrival; Rosie finds a lucky charm in her backyard, but soon her luck starts to change.

Ji-Young and Baby Bear host a game show to help Rudy and Zoe get ready for school.

Zeke and Louise plan to build a house for Snout; Kaya hopes to make a video once JunJun conquers his on-camera jitters.

Donkey and Panda save Rockstar Penguin's show when her band can't come; the pals help Turtle-Lou deliver packages.

Pinkalicious paints her friends' faces, but there's one problem - the paint won't wipe off in time for school picture day; Pinkalicious and Peter lose their teddy bears when they float away in paper boats.

After a disagreement, Olive and Ari learn about how nature works, which helps them resolve their issue; the kids learn about meadows.

Alma and her family spend the day saying yes to everything; Alma helps Junior and Emi test a hypothesis.

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.

Grace Hopper shows Xavier that he will never know if he can build his robot differently than everyone else unless he tries; Itzhak Perlman shows Xavier that he can learn music his own way.

Jodi is nervous about her first day at a new school, but Daniel Tiger helps her feel comfortable; Daniel is nervous playing at Jodi's house, until he finds blueberries, which make him feel better.

Fern gets a cell phone; Brain does not want everyone to know that he was held back in kindergarten.

A Kentucky cherry corner cupboard circa 1815; a Qing period nephrite jade basin; a 1911 Julian Onderdonk landscape oil.

Retailers of the recent past, Godchaux's, Gus Mayer, Kreeger's and more.

President Roosevelt wins re-election but succumbs to a cerebral hemorrhage at age 63; after Franklin's death, Eleanor crusades for civil liberties and the United Nations.

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

Experiencing the complex world of ocean waters with a never-before-seen look at how life underwater co-exists.

A visit to Florence, Italy, to explore how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his artwork.

New discoveries and technological advances shed new light on early human habitation in the Amazon.

A chronicle of shows and stars that appeared during the 1940-1970 television era.

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

A visit to Florence, Italy, to explore how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his artwork.

New discoveries and technological advances shed new light on early human habitation in the Amazon.

Richard Nixon's political career includes his rise from congressman to president, foreign policy innovations and disgrace.

Arthur scrambles to fix his mother's computer before she finds out he broke it; Francine gets blamed when Muffy cheats on a math test.

Olympia learns a secret about her partner.

Aviva creates a game in which Martin and Chris learn about predators and prey as well as the differences between herbivores and carnivores.

Alma and her family spend the day saying yes to everything; Alma helps Junior and Emi test a hypothesis.

Lyla overcomes her fear of rock-climbing; a riddle game about everyday objects made by Black inventors.

Carl and Nico argue over who gets Arugula as their magician's assistant; Sheldon tries to help Carl become a good listener.

Daniel wants to be line leader at school; Daniel and Mom fill in as librarian when X gets sick.

Rosie takes Mom out for Mother's Day; Crystal takes the kids to the merry-go-round at the amusement park.

Fred the Flamingo visits Sesame Street for a family reunion; Elmo, Rudy, and Nina learn all about flamingos - from why their smiles are upside down to how the color of their feathers change from white to pink.

Malik learns the key to a successful "Brother Day"; Zeke and Louisa wait tables at the Eat 'N Greet after Duffy sprains her ankle.

Duck Duck's magic trick goes awry, turning her neighbors' things into pickles; Donkey is afraid to scooter after a fall.

Pinkalicious thinks if she acts more like Peter, the Pinkerton's pet cat Rosie will pay more attention to her; Mr. Swizzle's cupcake machine breaks down.

Elinor learns that the forest does its own composting; Elinor and her friends want to build snow-friends but the snow isn't sticky enough.

Alma accidentally embarrasses Rafia during a sleepover at the community center; Alma and her friends jump in the leaves.

Molly makes Grandpa Nat's secret nivagi recipe for the Qyah Ice Cream Competition; Molly helps Nina and Dr. Antigone band baby cranes.

Xavier is upset thinking he won't be able to bring the museum to his friend in Japan, but Nikola Tesla encourages him not to give up; Nellie Bly helps Yadina overcome her fear of the monkey bars.

Daniel wants to be line leader at school; Daniel and Mom fill in as librarian when X gets sick.

Arthur scrambles to fix his mother's computer before she finds out he broke it; Francine gets blamed when Muffy cheats on a math test.

An antique Asscher-cut diamond ring; a 1923 Dempsey vs. Gibbons fight bell; a 1970 Elvis Presley-signed album and belt.

Experiencing the complex world of ocean waters with a never-before-seen look at how life underwater co-exists.

The team witnesses a baby boom in the Delta; lioness Matho protects her cubs while the leopard Xudum reveals her newborns as danger looms nearby.

Competition for food becomes fierce as lion numbers rise; a lioness risks her life to feed her five cubs; Xudum's newborn leopard cubs face a deadly threat.

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

How the New Orleans dining scene has fared over the last two decades.

Jon Baddeley checks out a collection of film props and memorabilia from the movie "Blade Runner"; Will Farmer inspects a perspex mermaid sculpture by Arthur Fleischmann.

Father Brown finds himself embroiled with MI5 when he looks into the death of an art restorer who supposedly drowned himself; the investigation puts Lady Felicia in a compromising position.

Phryne investigates a holidaymaker electrocuted while hanging Christmas lights.

The team investigate the deceased's past, and Jess and Sunny make contact with his widow; no one is as innocent as they first seem.

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

Father Brown finds himself embroiled with MI5 when he looks into the death of an art restorer who supposedly drowned himself; the investigation puts Lady Felicia in a compromising position.

Phryne investigates a holidaymaker electrocuted while hanging Christmas lights.

The team investigate the deceased's past, and Jess and Sunny make contact with his widow; no one is as innocent as they first seem.

Experiencing the complex world of ocean waters with a never-before-seen look at how life underwater co-exists.

A visit to Florence, Italy, to explore how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his artwork.

There's a new hallway monitor at Lakewood Elementary; Ladonna Compson thinks everyone likes her.

Olive and Otto investigate an odd crime at Shapely Manor.

The team explores the American prairie and bison.

Alma accidentally embarrasses Rafia during a sleepover at the community center; Alma and her friends jump in the leaves.

Lyla and Everett play basketball against their moms; Lyla and Luke restore their old toy car to make it special for Stu.

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

Daniel and his friends want to make a rainbow airplane out of a box full of crayons.

Rosie, Crystal and Iggy try to recreate Mom and Papá's beach anniversary tradition at home; it's Chiles en Nogada Day, but when Papá loses the recipe, it's up to Rosie to figure out who else might have it.

Ji-Young and Baby Bear host a game show to help Rudy and Zoe get ready for school.

The Wombats track down a scary-weird sound that has frightened Carly, CeCe and Clyde; the Wombats become Hopping Helpers for a day.

Donkey hosts Gator's game show for a day; Donkey joins the Balance Ball team but feels uncomfortable doing something new.

Kendra accidentally causes Goldie the unicorn to go missing; Pinkalicious brings her pet unicorn to school and discovers that even imaginary unicorns have to follow rules.

Elinor and her friends need to find more paper for their storybook; Elinor, Ari and Olive learn about different ways that animals keep themselves clean.

Alma tells all her friends that Howard is moving; Alma wonders if she should buy new materials for her recycled art project.

Molly thinks she has seen a rare Australian megabat; Travis helps Molly, Tooey and Trini earn their wilderness cleanup badge.

Xavier learns that asking questions can lead to exciting discoveries; Xavier learns that it's normal to feel different emotions when it comes his turn to jump off the diving board.

Daniel and his friends want to make a rainbow airplane out of a box full of crayons.

There's a new hallway monitor at Lakewood Elementary; Ladonna Compson thinks everyone likes her.

Charles Schulz comic strip art; a 15th-century Ming dynasty celadon dish; a Eugene Sartory bow and French violin.

A visit to Florence, Italy, to explore how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his artwork.

Filmmaker Joe Medeiros spends 30 years investigating the theft of the "Mona Lisa" in 1911.

New discoveries and technological advances shed new light on early human habitation in the Amazon.

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

Panelists examine the science behind the storm and at the preparations, evacuations and uncertainty.

Kara St. Cyr and Andre' Moreau anchor the weekly award winning show that focuses on the important issues in the state along with expert analysis of those issues.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

The Woman's Christian Temperance Union and the Anti-Saloon League push for an amendment to the Constitution outlawing alcohol nationally.

New Orleans' exclusive arts and entertainment.

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

Panelists examine the science behind the storm and at the preparations, evacuations and uncertainty.

The Woman's Christian Temperance Union and the Anti-Saloon League push for an amendment to the Constitution outlawing alcohol nationally.

A flood brings new challenges for the big cats; for the first time, the lion cubs experience water and the danger it brings.

Tile for a curbless shower; installing the kitchen floors; installing a custom-made water feature for the backyard patio.

Painting wainscoting; what homeowners should know before switching a home to all electric; building a sandbox.

Betty Aberlin and Chuck Aber star in a performance of "Spoon Mountain Opera.".

Arthur scrambles to fix his mother's computer before she finds out he broke it; Francine gets blamed when Muffy cheats on a math test.

Aviva creates a game in which Martin and Chris learn about predators and prey as well as the differences between herbivores and carnivores.

Alma tells all her friends that Howard is moving; Alma wonders if she should buy new materials for her recycled art project.

A generational pua kenikeni tree and its caretakers; lei traditions and culture; a lei-making contest; Lei Day celebration at Queen Kapi'olani Park.

Logan, Chris and Phil use locally harvested oak to demonstrate how to create a trunk with a curved lid.

Tile for a curbless shower; installing the kitchen floors; installing a custom-made water feature for the backyard patio.

Painting wainscoting; what homeowners should know before switching a home to all electric; building a sandbox.

Advocates from Nunez Community College and CRCL work to restore wild habitats; monitoring cypress trees on the Violet Canal; roasted quail with figs and garlic sauce; Drago's blackened gator tacos; blackened gator macaroni and cheese.

My Cajun Kevin po'boy; tasso potato croquettes; zydeco omelet.

Corned beef and cabbage; veal with tomatoes and basil; calas.

Louisiana meat pies; cream-cheese and -ham tortilla rolls; apple pie with chilies and cheese.

Winter minestrone that can be made with any hearty green; matalotta-style mixed fish stew.

Grown-up grilled cheese sandwiches with Gruyere and chives; caring for wooden kitchen tools; graters; cream of tomato soup.

New Mexican bean and cheese turnovers with green chili; the history of tomato clubs in the U.S.; Southwestern tomato and corn salad.

The ancient origins of spaghetti and meatballs; charred red-sauce spaghetti and slow-cooked short rib ragu with pasta.

Squab salad with wild mushrooms and quail eggs.

Three Mexican grill specialties - pollo asado, grilled swordfish with salsa macha and carne enchilada.

A true Naxian feast includes chicken pie and grilled tuna filet with potato salad; Naxian-inspired comfort foods.

Josh Scherer makes orange chicken parm; a rancher who is changing the future of farming; onion ring pizza.

Experiencing the complex world of ocean waters with a never-before-seen look at how life underwater co-exists.

A visit to Florence, Italy, to explore how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his artwork.

A history includes the 160th anniversary of New Orleans' St. Charles Avenue line.

A medley of songs by George M. Cohan includes "Yankee Doodle Dandy" and "You're a Grand Old Flag"; other songs include "Glow Worm," "Sophisticated Lady," "You Made Me Love You" and "Make the World Go Away.".

A Philip Margetts archive; Patek Philippe ladies' watches; Japanese silk needlework circa 1910.

Richard Nixon's political career includes his rise from congressman to president, foreign policy innovations and disgrace.

Country performer Chris Stapleton delivers country-rock classics and tunes from "Higher.".

Experiencing the complex world of ocean waters with a never-before-seen look at how life underwater co-exists.

New discoveries and technological advances shed new light on early human habitation in the Amazon.

The magic and influence of craft, featuring Diedrick Brackens, Ayumi Horie, Maddy Leeser, Mary Little, Simon Rodin and more.

Artists whose environments are filled with meaning and metaphor; featuring Syd Carpenter, Helen Drutt, Wharton Esherick, Biskakone Greg Johnson and more.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Tom O'Horgan displays his large collection of unusual musical instruments.

There's a new hallway monitor at Lakewood Elementary; Ladonna Compson thinks everyone likes her.

The team explores the American prairie and bison.

Alma accidentally embarrasses Rafia during a sleepover at the community center; Alma and her friends jump in the leaves.

Lyla and Everett play basketball against their moms; Lyla and Luke restore their old toy car to make it special for Stu.

Carl doesn't know what to do when Nico falls; Carl learns a new word - shindig.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Kara St. Cyr and Andre' Moreau anchor the weekly award winning show that focuses on the important issues in the state along with expert analysis of those issues.

Margaret Hoover leads interviews and debates.

Panelists examine the science behind the storm and at the preparations, evacuations and uncertainty.

The New Basin Canal in New Orleans was built during the 1830's to connect Lake Pontchartrain with the booming American uptown business district.

Advocates from Nunez Community College and CRCL work to restore wild habitats; monitoring cypress trees on the Violet Canal; roasted quail with figs and garlic sauce; Drago's blackened gator tacos; blackened gator macaroni and cheese.

Corned beef and cabbage; veal with tomatoes and basil; calas.

A Philip Margetts archive; Patek Philippe ladies' watches; Japanese silk needlework circa 1910.

Lacy architecture and ethereal paintings by El Greco in Spain and Portugal; in Germany and Belgium, technologies enable Durer's mass-produced engravings, Jan van Eyck's oil paintings, Brueghel's peasants at play and the futuristic visions of Bosch.

The natural spas, urban ruin pubs and culinary delights of Budapest; venturing along the centuries-old path of the Jewish wine trade in search of the world's most expensive Tokaj wine in the Hungarian countryside.

A real murder investigation results from a false alarm; Amanda gets in trouble; things turn serious for Margaret.

Sidney performs an exorcism after an apparent suicide; Gary goes on trial; Leonard makes a bet; Margaret makes a move; Amanda confronts a lost love.

The case involving a suspicious death takes a surprising turn.

Sidney seeks oblivion while Sam seeks forgiveness; parents seek revenge for their dead daughter; Amanda seeks Sidney; Leonard takes a stand.

Father Brown finds himself embroiled with MI5 when he looks into the death of an art restorer who supposedly drowned himself; the investigation puts Lady Felicia in a compromising position.

The investigation into a series of burglaries turns into something else when a school inspector is found murdered.

A man with no ID and no connection to Marlow is found dead in the middle of a suburban road.

The team discover Asif, Mel, and Marty's connections to Gerry, and bring Marty in; Gerry Cooper's descent into nationalism is revealed, as well as his violent streak; as Jess reaches out to her sister, Leanne and Sunny's friendship evolves.

A disoriented young woman appears with the weapon from a crime that was committed 20 years ago.

Pete and Eliza are forced to work together while performing a retrieval of a 4-year-old boy.

A man with no ID and no connection to Marlow is found dead in the middle of a suburban road.

The team discover Asif, Mel, and Marty's connections to Gerry, and bring Marty in; Gerry Cooper's descent into nationalism is revealed, as well as his violent streak; as Jess reaches out to her sister, Leanne and Sunny's friendship evolves.

The Woman's Christian Temperance Union and the Anti-Saloon League push for an amendment to the Constitution outlawing alcohol nationally.

A look at inventions that gave humans the ability to fly, from Leonardo da Vinci's flying machines to modern commercial planes.

Arthur and Buster investigate their new teacher; Arthur thinks he isn't ready for the school spelling bee.

The agents must come together to battle a common enemy.

As the team prepares for a creature costume party, everyone starts to notice strange things happening around them.

It's an exciting day for Lily and her family when they move into their new house.

Lyla and Luke create and act out variations on a fairy tale; Lyla, Louis and Stu track down a lost package.

Lotta is determined to show Skyler that she is more than just "headphone girl"; the new kid in school causes a hullabaloo on the playground.

Daniel's new friend Prince Wednesday is busy playing with Jodi, leaving Daniel to wonder if they're still friends; Daniel worries Miss Elaina likes Jodi more than him.

Rosie wants an ice pop from the Ice Pop Truck but she must come up with an extra dollar to buy it; Rosie can't decide what to buy at the mercado.

Chris, Elmo and Abby help Fido feel proud that he's a frog.

All aboard the Moo Moo Choo Choo; visiting great uncle Duper in the Windborhood; world's biggest whirligig blows away; helping great uncle Duper imagine how to build a new one.

Donkey and Panda search for hidden treasure; Cousin Hodie joins a day of games in Someplace Else.

Pinkalicious and Peter try to figure out how to rid their house of swarming Flutterbugs; Pinkalicious and Peter attract the fairy Bellerina when they play their handbells.

The kids make their own instruments so they can participate in Senor Tapir's concert; when Elinor's dad falls asleep during a campout, the kids use flashlights to communicate to each other.

A dirty Chacho runs away at the park; Alma realizes that Frankie's old sneakers are more valuable than they appear.

Oscar's fiddle string breaks on the day of the annual fiddle festival; Molly and Trini encounter a tiny mink on their way to a dance at Qyah Tribal Hall, which leaves them covered in a stinky smell.

Louis Braille shows Brad there are many ways to read; Zaha Hadid encourages Xavier, Yadina and Brad to build their treehouse in their own unique way.

Daniel's new friend Prince Wednesday is busy playing with Jodi, leaving Daniel to wonder if they're still friends; Daniel worries Miss Elaina likes Jodi more than him.

Arthur and Buster investigate their new teacher; Arthur thinks he isn't ready for the school spelling bee.

A Philip Margetts archive; Patek Philippe ladies' watches; Japanese silk needlework circa 1910.

Father Brown finds himself embroiled with MI5 when he looks into the death of an art restorer who supposedly drowned himself; the investigation puts Lady Felicia in a compromising position.

Phryne investigates a holidaymaker electrocuted while hanging Christmas lights.

A man with no ID and no connection to Marlow is found dead in the middle of a suburban road.

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

Plains & Prairie American Indian art; a presentation sword with a Lincoln-signed appointment; an 1885 Opening Day baseball program.

A Johnny Unitas Baltimore Colts championship jacket; a B. J. O. Nordfeldt two-sided oil; a Klondike Gold Rush archive.

Chronicles the life of the Xavier University president, civil rights and civic leader.

Following the deaths of three children in a rural Mexican community, the discovery of dangerous radioactivity leads to community backlash and government denial.

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

From Tidworth, one of the oldest villages in Britain.

Hanging the pantry door; finishing up the tiling and backsplash; creating a custom surround for the gas fireplace.

The investigation into a series of burglaries turns into something else when a school inspector is found murdered.

A man with no ID and no connection to Marlow is found dead in the middle of a suburban road.

The team discover Asif, Mel, and Marty's connections to Gerry, and bring Marty in; Gerry Cooper's descent into nationalism is revealed, as well as his violent streak; as Jess reaches out to her sister, Leanne and Sunny's friendship evolves.

D.W. meets a cool 13-year-old girl; Buster switches bodies with Mr. Ratburn for a day and learns how hard it is to be a teacher.

Olive and Otto try to figure out why symmetrical objects were vandalized; objects and people disappear inside an Italian restaurant.

Martin encounters a lost colony of black-footed ferrets.

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

After feeling left out, Luke decides to switch places with Stu; the Loops kids throw a surprise party for their parents.

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 frustrated when he is unable to do what he wants to do; Daniel is upset when he can't find a toy at school.

Rosie tries to send Abuela a birthday party in the mail; Rosie tries to send Gatita in the mail.

Abby turns Sesame Street into a magical ocean.

The Wombats create a summer version of Halloween; the Wombats design and build their own snow globe.

Donkey and Panda deliver Grampy's piano to him after it was sent to Donkey's windmill by mistake; Panda wants to win the Bongo-lympics.

Pinkalicious and Peter meet a real pirate; Pinkalicious and Jasmine take Archie the pinkfish outside to play.

The kids try to locate a missing Srta. Tapir at a music festival by listening for her drums; the kids try to track down a bird thief.

Alma is consumed with her starring role in a musical; Alma and Harper have a playdate at the Rivera house.

Trini offers to puppy-sit Tooey's newest sled dog, Khi, but ends up teaching him some bad habits; Molly makes a book about female pilots.

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.

Daniel gets frustrated when he is unable to do what he wants to do; Daniel is upset when he can't find a toy at school.

D.W. meets a cool 13-year-old girl; Buster switches bodies with Mr. Ratburn for a day and learns how hard it is to be a teacher.

A 1943 Albert Einstein letter; an early 20th-century gold signet ring collection; a Louis Comfort Tiffany seascape oil circa 1880.

Plains & Prairie American Indian art; a presentation sword with a Lincoln-signed appointment; an 1885 Opening Day baseball program.

Paralympic athletes Danny Crates and Liz Johnson shop their way around Suffolk and Essex buying up items to take to auction in Huntingdon, Cambridgeshire; knowledgeable experts David Harper and Arusha Irvine are on hand to help.