KTCA-DT

Elinor, Olive and Ari disagree about the best way to build a couch cushion castle; when Ari misplaces the group's favorite ball, they discover that he needs a system for keeping track of his things.

Molly finds a lost baby beluga and tries to reunite it with its mother; Molly and Grandpa Nat try to retrieve Molly's fishing hat after it floats away.

A Cartier Art Deco Tutti Frutti clutch circa 1925; a Carl Kauba cowboy bronze circa 1900; a Sumerian cuneiform tablet.

Touring Wiscasset, Maine; behind the scenes with Maine's first professional soccer club, Hearts of Pine; touring Flume Gorge in Lincoln, N.H.

The stories and people that defined pivotal moments in U.S. history, from Vicksburg National Military Park in Mississippi to Pennsylvania's Gettysburg and Brandywine battlefields to York County.

The paratroopers of the 82nd Airborne Division wrestle two bridges away from the German troops in Holland in 1944.

Jamie Chung, Cyndi Lauper and Danny Trejo retrace the journeys of their immigrant ancestors.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Presenting a round-up of the most recent news and developments from across the world.

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

Finds include a 1961 JFK Santa Claus Letter, a 1979 Ed Ruscha Stage Fright ink on paper and a John Juzek violin circa 1950.

Filmmaker Vicky Du traces her family's mental illness back to the Chinese Communist Revolution of 1949.

U.S. Navy sailor Joe George, a crewman on the USS Vestal, receives the Bronze Star Medal for his actions that saved six USS Arizona crewmen during the attack on Pearl Harbor.

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

Finds include a 1961 JFK Santa Claus Letter, a 1979 Ed Ruscha Stage Fright ink on paper and a John Juzek violin circa 1950.

Filmmaker Vicky Du traces her family's mental illness back to the Chinese Communist Revolution of 1949.

U.S. Navy sailor Joe George, a crewman on the USS Vestal, receives the Bronze Star Medal for his actions that saved six USS Arizona crewmen during the attack on Pearl Harbor.

James Braidwood explains to Brad that being prepared can help him stay calm when he is feeling nervous; Xavier and Yadina learn that being responsible can involve making hard choices.

Muffy's dad is the new soccer coach; Binky refuses to play in band practice.

The Wild Kratts find a lost otter cub.

The kids offer to help Cora's mom by becoming Skillsville Game Testers; Rae takes on the role of an interior designer.

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

Carl loves the new sweater his Pop Pop knit him, but it feels itchy when he wears it; Carl is nervous about his new school bus stop.

Daniel is excited to learn something new about Trolley.

Phoebe, Jay and Lupe practice their fire safety plan when the fire inspector visits; Phoebe and Jay buy juice from Mr. Aguilar.

Abby, Big Bird and Cookie Monster play against Gabrielle, Zoe and Elmo in I Wonder If We Can Use This, a game where they figure out if items can be used for something.

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.

Donkey and Grampy try to make an old family recipe; Donkey and Panda are excited to try a new cereal.

Rosie and her friends pretend to be pirates, but they need a globe to plan a route around the world; June and Rosie plan a virtual breakfast.

Elinor and her friends learn what makes Olive's mom's curry so spicy; Ari's muscles hurt after playing too much baseball.

Molly and Vera want to make lumpia, a tradition from the Philippines, for Vera's mom; a bunch of ladybugs gets loose in the Trading Post during a spooky sleepover.

A 1969 Woodstock jacket and program; a silk wedding gown circa 1875; Jane Peterson oil circa 1925; a visit to the International Balloon Museum.

Exploring the quantum universe.

Plants use strategy, deception and feats of engineering in order to survive the challenges posed by the different seasons.

PhD candidates Kelsey Richardson and Teagan Reasch discuss their research and how federal funding cuts may affect the academic and science environments.

Research scientists Nancy Fresco and Twila Moon discuss the effects of the Arctic's warming climate.

A detailed look into news stories from around the world from the BBC news desk in Washington, D.C.

Presenting a round-up of the most recent news and developments from across the world.

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

Traveling across China and the American South to reveal the ancestry of novelist Amy Tan and poet Rita Dove.

Exploring the life and legacy of Black civil rights pioneer W.E.B. Du Bois, including how he transcended the social constraints of the early 20th century and worked to elevate the lives of Black people worldwide.

Martin Scorsese's film biography of Bob Dylan includes archival footage of the singer's childhood and life on the road.