WGBH-DT

The charred corpse of an Iranian man is found in his house, leaving investigators to question whether it is a case of spontaneous combustion or a diabolical crime.

Onsite extraction of fossils of an ichthyosaur, a fish lizard that ruled during the time of the dinosaurs, and a 3-D reconstruction of the creature; host David Attenborough.

Exploring the quantum universe.

Sue Ellen becomes obsessed with an Internet game; the gang must decide whether to go on a camping trip.

Ozzi and Orli go on a mission to catch the villain who is ruining the Triangle Sisters' café; Opie must collect enough money to pay for Captain O's 10-layer birthday cake.

Chris and Martin search for an obscure rain forest creature.

The Hunters learn how temperatures can affect outdoor plants and gardens.

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

Dylan is excited to play his new game, but things take a turn when the game pieces fall into a floor vent; Carl is determined to get into the FuzzyWorld Book of Records.

Daniel and Miss Elaina don't want to stop playing when it is time for Quiet Time at school; Daniel finds something that will help him rest.

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.

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.

Devonte J. Squirrel moves to the Treeborhood; Devonte and the Wombats create a machine that makes ice cream using a bike.

Donkey wonders if she and her cousin can have fun together since they don't like doing the same things anymore; Panda thinks about how he is different from other pandas.

Things get out of control when Rosie starts a pet-sitting business; Rosie plays with a rock from Javi's rock collection.

Elinor and her friends surprise Ms. Mole for Teacher's Day; a pig named Rudy helps Elinor and her friends sniff out some truffles.

Alma helps Mr. Ramirez figure out what to do when he lets too many cats into his shoe shop; Alma tries to convince Howard to play stickball.

Molly and Vera visit an excavation site, where they make a discovery; the Sassy Ladies of Saskatoon search for a glacier.

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.

Talking about art with photographer Nuria Lagarde; author Laura Esquivel reflects on magical realism; celebrating how art and identity shape Mexico City's creative soul.

Broiled chicken with gravy; toaster ovens; toaster oven gear; skillet roasted broccoli.

A behind-the-scenes look at "Big Pacific" includes highlights and challenges of filming wildlife.

People who lost touch after the civil rights movement hope to reconnect.

Touring a new attic apartment ADU in Dorchester, Mass.; plumbing update.

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

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

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.

April Fair in Seville, Spain; Bastille Day in Paris; running with the bulls in Pamplona, Spain; Munich's Oktoberfest; a traditional family Christmas; Nuremberg, Germany's holiday market; sledding by torchlight in Switzerland.

Storytellers face moments where they had to think on their feet -- making a case, taking a risk or seizing an opportunity.

Teams compete from a statewide roster to become the next academic champions.

Based on the 1935 movie musical starring Fred Astaire and Ginger Rogers, "Top Hat" features dazzling choreography and period sets, with an Irving Berlin score featuring "Cheek to Cheek," "Let's Face the Music and Dance" and "Puttin' on the Ritz.".

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

Baltimore Mayor Brandon Scott discusses leadership, public safety and the future of Baltimore.