PBS - Network HD - Eastern

A 1956-1958 Celtics team-signed photo and basketball; Buffalo Bill poster circa 1893; an Edwardian sapphire and diamond ring.

A 1939 collection from the rescue operation of USS Squalus; a Torino lamp; two Tlingit Shamanic masks.

The building of an ultra-thin skyscraper in New York.

Traumatized by what he's done, and hopelessly tangled up in the investigation, Christian takes a trip with Davor that will reveal everything he needs to know.

With Christian out of action, Hannah and Billy are at a loss and it begins to look like the Mimicas will get away with their crime.

In a dramatic final showdown, the undercover police team attempt to bust the Mimicas' drug smuggling operation, but they're in for an unpleasant surprise.

Maria has to speak in class, but she is worried about her stutter; Binky re-enacts his soccer game after his grandparents miss it.

The agents must come together to battle a common enemy.

Martin and Chris befriend a female white shark.

Alma opens a traveling repair service, but running back and forth for fix-it supplies proves exhausting; Alma has to figure out how to handle her feelings when Howard tells Junior he can't play water tag.

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.

Carl's favorite sour pickle scratch-n-sniff sticker loses its smell; Carl notices that his baby blanket, Knit-Knit, has a hole in it.

Volunteer firefighters make a special visit to school; Daniel wants to pretend to be the daddy when he gets a new doll, but his friends want him to be Tige-y the Adventure Tiger instead.

The Fuentes kids make a fort in the living room but disagree about what to put in it; Rosie and Javi build a car for a derby race.

Elmo shares his scooter with Zoe and learns how to be patient and wait for his turn, while she practices and learns how to ride.

Kaya's cooking class; the Wombats go on a treasure hunt.

A noisy penguin interrupts band practice; the pals work together to win Gator's latest game show.

Pinkalicious helps Rafael train his dog for the Pinkminster Dog Show; Mommy's invention, the Do-Over Ray, gives people the chance to try something again if they mess up.

Ari and Olive make Elinor's favorite snack, backyard soup, when she is stuck at home after hurting her foot; Elinor becomes fascinated with dandelions.

Nature Cat and the gang help deliver a possum's letter to his wife in the big city; the crew must stop an evil gerbil from stealing the sunset.

Molly and Trini look for firewood to make treats, but plans are interrupted by a storm; Molly and Tooey hope to teach Trini how to skate in time for the River Skate and bonfire.

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.

Jody Adams braises a stuffed breast of veal over polenta; the benefit of using whole garlic in sauces to thicken without fat.

Installing a skylight; ducts; touring a Pennsylvania range factory established 1880; repairing original wood gutters.

Mexico's mountains contain black bears, volcanoes, birds and millions of monarch butterflies.

Seeking the individuals and ideas that can shape a better, more sustainable future for each generation to build upon.

Ari Wallach explores how this historically transformational moment offers unprecedented possibilities for new and needed futures.

An Asscher-cut diamond ring; a Maynard Dixon painting; a San Francisco Seals-signed baseball.

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

Investigating the human ability to increase empathy and compassion; the values being instilled into artificial intelligence technologies; creating a better world for human life to flourish on this planet.

The internal changes humans enact that have the potential to impact broader communities and societies.

The ways humans often see the concept of the future; the crucial need to think much bigger about what could come next; how everyone has more personal agency than they realize.

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

Investigating the human ability to increase empathy and compassion; the values being instilled into artificial intelligence technologies; creating a better world for human life to flourish on this planet.

The internal changes humans enact that have the potential to impact broader communities and societies.

The ways humans often see the concept of the future; the crucial need to think much bigger about what could come next; how everyone has more personal agency than they realize.

The building of an ultra-thin skyscraper in New York.

A 1956-1958 Celtics team-signed photo and basketball; Buffalo Bill poster circa 1893; an Edwardian sapphire and diamond ring.

A 1939 collection from the rescue operation of USS Squalus; a Torino lamp; two Tlingit Shamanic masks.

The Read's family car is broken; Jenna is nervous about attending Muffy's slumber party.

Olive and Otto try to stop zeroes from disappearing; odd things happen to the Bears basketball team.

Aviva vows to build a ground racer that runs faster than a cheetah.

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

Lyla and Stu make a mess decorating cupcakes; Lyla tries to retrieve Everett's lost coin.

Carl surprises Sheldon with a lemonade stand, but is confused when Sheldon runs off; Carl's caterpillars turn into butterflies.

Daniel and his parents have a sleepover at Prince Wednesday's castle; O the Owl is hesitant to camp in the yard.

Rosie, Jun and Grandpa Liu go to the Asian Market to buy more sweet potato buns; Rosie and Javi help Tia overcome her stage fright when she goes on a television cooking show.

It's Song Day on Sesame Street; Mia learns how to sing "Head, Shoulders, Knees and Toes" in Spanish with help from her friends Nina, Rosita, and Lalo; she learns that she's special just the way she is, no matter how much or little Spanish she speaks.

Sammy plans a surprise Carnaval for his dad while Quique plans a surprise treat for his son; Malik performs a magic trick.

The pals and Trolley try to keep a snow snurdle from melting; Panda invites his pals to a party on Planet Purple.

Norman the garden gnome learns how to use his imagination; Peter gets discouraged when he makes mistakes during a dance show.

Crickets inspire Olive to play her violin; while flying in a hot air balloon, Elinor and her friends learn why birds fly high.

The crew must repair damage to an edge habitat before the Lawn Bowling Championships; the pals investigate whether animals in the wild play for fun.

Trini wants to send her mom a care package but she is unable to find all of her favorite things; Trini and her dad find themselves without lights and heat during a blizzard.

Grandmaster Flash explains to Xavier that if he wants to create new music, he must experiment; Xavier and Yadina find out there are many ways to help Brad feel better after he falls off his bike.

Zarela Martinez prepares a tamale with mole verde using corn flour, lard, corn husks, herbs and tomatillos.

Installing radiant floor heating in the garage; pouring concrete.

Animals including prairie dogs, snakes, bats and tiny owls find ways to survive in northern Mexico's desert.

With invasive species reshaping the world's ecosystems, Shane wrestles a python, hunts Hawaiian pigs and gets sucker-punched by a carp as he considers how the human species is able to decide what belongs.

Exploring the global impact of humans, from Yellowstone to Mozambique.

Minnesota items first appraised in 2004 include one whose value is at its highest ever at $2-3 million.

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

Exploring the science and unexpected histories of "The Replacements," five animal and plant species that made allies of humans.

Exploring the modern city, including three species that thrive in that ecosystem.

Exploring the history and science of cotton.

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

Exploring the science and unexpected histories of "The Replacements," five animal and plant species that made allies of humans.

Exploring the modern city, including three species that thrive in that ecosystem.

Exploring the history and science of cotton.

Investigating the human ability to increase empathy and compassion; the values being instilled into artificial intelligence technologies; creating a better world for human life to flourish on this planet.

The internal changes humans enact that have the potential to impact broader communities and societies.