WXXI-DT

A look at whether giant asteroid impacts were actually essential for the creation of life on Earth.

The investigation into secret network of curators and dealers that made profits off art stolen by the Nazis.

Martin Luther King Jr. helps drive change in the United States in the face of bitter opposition, not least from opponents within the U.S. government; King is subjected to a fierce campaign of intimidation by J. Edgar Hoover's FBI.

Aaron Tang and a panel of experts take on a hypothetical scenario regarding reproductive rights and the right to die.

An Alaska belt buckle circa 1975; an Elvis Presley King Creole movie poster; Stephen Decatur warrant and commissions from 1798-1804.

Arthur feels embarrassed over D.W.'s imaginary friend; Arthur and Binky search for Arthur's lost library book.

Villain mastermind William Ocean plans to cover the entire world in water; the Dream Weaver turns Little O's dreams into nightmares.

Martin and Chris encounter what could be the last largest lobster.

The Hunters head to a nearby mountain to learn about snow.

Lyla gets a strike her first time bowling but gets frustrated when she realizes bowling isn't as easy as she thought it was; Lyla feels left out when Everett and Ale's friendship thrives.

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

Daniel helps Katerina reassemble her tea set after it is knocked on the floor; Daniel helps finish a story about dinosaurs.

Rosie performs in Papa's mariachi band; Rosie wants to sing a corrido for the family talent show.

Elmo, Tamir and their friends are making a Peace Tree to celebrate Martin Luther King Jr. Day.

The search for Mr. Splendito tickets is on; the Wombats power-clean a bunch of bikes.

Donkey opens a potato stand so she can share her potatoes with her neighbors; Donkey surprises Clyde with a playdate in the sky.

Ms. Penny shows the class how to make origami stars; Pinkalicious and Kendra compete against Peter and Robotta in a scavenger hunt.

The kids learn the benefits of eating different colored foods; Olive tries to get a picture of a puffin.

Alma and Howard search for a Black cowboy in the Bronx; Alma and Junior open a play hair salon at home.

Molly invites Oscar to go mountain climbing with her and Grandpa Nat, but he is afraid of heights; Travis returns to Qyah to photograph a rare willow ptarmigan.

Yadina gets advice from Abraham Lincoln after she accidentally loses her friend's toy; Jane Jacobs inspires Xavier, Yadina and Brad to rebuild their fort.

Pastry chef Norman Love prepares savory puffs, salmon mousse eclairs and marscapone vegetable medley.

The architect explains his vision for the property; exploratory demo; a lesson on first period homes; the team hopes to uncover the original timber frame during demo.

Author Jesmyn Ward; screenwriter Michael Waldron; poet Natasha Trethewey; songwriters Justin Moore, Tarriona "Tank" Ball and Thao Nguyen.

The motives behind the Gunpowder Plot of 1605, and what might have happened if it succeeded.

Lucy Worsley investigates whether Mary I, England's first ruling female monarch, should be remembered as a pioneer or a tyrant.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day, along with news-making interviews and analysis from BBC correspondents around the globe.

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.

Restaurant owner Pearl Nolan discovers the body of her friend and oyster supplier chained to the anchor of his ship; the police believe it was an accident, but Pearl, who also runs a private detective agency, suspects foul play.

Detective Bea Metcalf is intrigued when Patience connects a supposed suicide to other cases; Patience jumps at the chance to help, but she is hiding a secret from Bea.

Maigret investigates a series of bank robberies plaguing Paris.

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

News. Reporting on the day's international news from London and from BBC correspondents around the world.

The architect explains his vision for the property; exploratory demo; a lesson on first period homes; the team hopes to uncover the original timber frame during demo.