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An extravagant house party at the abbey gives the Crawleys a chance to reconnect with old friends, but some guests prove more welcome than others, and along with the celebrations come deceit and heartache.

Patricia starts losing her corporate power; Cristina refuses to let go; Rita and Pedro have unfinished business; Esteban wins Raúl's trust; Alberto receives honors.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

The Kratt brothers take a day off from adventuring to go camping, where they meet a mischievous little moose calf.

Arthur helps D.W. prepare for a bikeathon; Francine whips Arthur's baseball team into shape.

Lily, Corky and Benny attempt to film their own weather broadcast, but need Great Grandpa Wallace's tools to create their weathercast.

Lyla and Everett struggle to play Hot Cross Buns at the same tempo, and they learn how to read music; Lyla is upset when Luke's snack becomes popular.

Dylan realizes he doesn't love square-dancing; Carl teaches Nico how to ride a bike.

After Miss Elaina loses her mitten, her mom teaches her how to put things away so she can find them later; Prince Wednesday loses his comic book.

Phoebe learns what privacy signs are and how to use them to communicate to neighbors; Jay gets nervous about getting a haircut.

Grover tries to cheer up Elmo, who is feeling sad after his dad leaves for a work trip.

Ellie's so excited to be going home to Jamaica that the Wombats and Mr. E start to worry whether she'll come back; Buckley comes over for a playdate with Zadie.

The pals find a box of Golden Crunchdoodles cereal; Donkey, Panda and Bob Dog want to play different things.

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

Elinor and friends build a log bridge over a stream; the kids set out to learn everything they can about blinking when Ari is crowned the blinking champion at school.

A series of mishaps gives Alma "the grumps"; Junior wants to play basketball with the big kids and make a basket.

Molly and Tooey decide to make a few of their own Alaska Native superheroes; Molly wants to fix up her old sled for Trini, but she's not sure she is ready to part with it.

Madam C.J. Walker shows Xavier that working hard on his lemonade stand can help him afford the pogo stick of his dreams; Edwin Binney shows Xavier, Yadina and Brad that to work together as a team, they should listen to everyone's ideas.

As Marlon faces a difficult decision about his future, he's also forced to confront his past when his old boss is murdered, and the only witness is his pet parrot.

Maigret's search for a missing social media influencer is derailed when he is ordered to investigate death threats against billionaire Ferdinand Fumal.

A conversation with the president of the American Library Association drives home the importance of supporting a thriving public library system.

Boston College professor and author Heather Cox Richardson outlines the threats to American democracy throughout history and provides insight on how the U.S. can overcome its challenges.

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.

Homegrown businesses Oy Vey Osteria, Sparkes Kitchen and Border Town Tortilleria.

Motel Safari keeps the spirit of Route 66 alive with mid-century modern architecture, themed rooms and neon signs; the Santa Rosa Route 66 Car Museum; Santa Fe; the Man's Hat Shop; Grants, N.M.

Vintage finds include a Gibson style H-2 mandola circa 1918, a Tiffany Studios Daffodil lamp circa 1906 and an 1852 Lincoln manuscript.

Nineteenth-century Hawaiian poi pounders; a Dirk van Erp copper vase; an 1888 Joseph Nawahi oil painting.

Cuban singer Omara Portuondo's life, from the stages of Havana's nightclubs to her worldwide fame as part of the Buena Vista Social Club.

The Mambo Legends Orchestra keeps the sounds of Afro Cuban bandleaders Machito, Tito Puente and Tito Rodriguez alive for future generations.

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.

The Loops celebrate the day they met Stu; Liana finds crumbs on Louisa's pillow and accuses her of taking the last cookie.

Martin and Chris assist with tagging endangered Tasmanian devils.

Brain wants to be the first to spot a rare bird species called the green-tailed grebe.

The kids learn what colors make up a rainbow just in time for a Mother's Day surprise.

The Loops celebrate the day they met Stu; Liana finds crumbs on Louisa's pillow and accuses her of taking the last cookie.

Arugula and Carl go on an adventure as archaeologists; Carl spots a UFO on Mother's Day.

It's bedtime, but Daniel does not feel sleepy; Prince Wednesday and Daniel have a sleepover.

Phoebe and Jay use a checklist to guide them through their tasks; Jay creates his first comic book and learns about the importance of page order.

Captain Elmo's solo mission to Jupiter is interrupted when his friends join and mess up his plan; Grover tries to fix the spaceship boosters.

The wombats battle sea monsters, surfing scoundrels and pointy rocks on their way to make a sandwich delivery; Mr. E. buys a robot to hand out balloons.

Jeff, Donkey and Panda take fun photos around Someplace Else; Greeble invites Donkey and neighbors to join in the Treeble holiday of Special Memory Day.

Rosie helps Crystal host a doggy wash to boost her pet-sitting business; Rosie and Javi try to save money for new Wonder Walrus costumes.

The kids learn the meaning of stories when they visit Olive's family in the rainforest.

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

Molly tries to help an exchange student after she loses her prized story knife; Oscar works on remembering the old stories of his elders.

Brad gives up on hide-and-seek until Kate Warne helps him figure out how to play the game better; Sir Arthur Conan Doyle helps Xavier decide what to get the new girl in class for her birthday.

Vintage finds include a Gibson style H-2 mandola circa 1918, a Tiffany Studios Daffodil lamp circa 1906 and an 1852 Lincoln manuscript.

Phil Hammond comes face-to-face with the inspiration for "Sherlock Holmes" and Maria McErlane hears how a beautiful well in Flintshire has been credited with healing powers for over 700 years.

Vitriol escalates as battles over school policies intensify; a student roundtable and unlikely alliance offer a flicker of hope.

Coverage from Washington, D.C. and London, with a regular panel of guests from across the political spectrum discussing the biggest 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.

A visit to two towns claiming to be the first permanent settlement in Nevada.

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

The struggle for freedom by the ancestors of Maya Rudolph, Shonda Rhimes and Keenen Ivory Wayans.

The rise of online scams, the people and technology enabling it and the efforts to shut it down.