KTTZ-DT

How pigeons overcome the challenges of city life and thrive alongside people in London and New York.

Rising sea levels threaten tiny Tangier Island in the Chesapeake Bay off the coast of Virginia.

George threatens to withdraw money from the hotel, so Bella begins a new business.

Researching the identity of America's first peoples leads to Amazonian cave paintings, Mexican burial chambers, New Mexico's Chaco Canyon and waves off California's coast.

The rise of great American nations, from monarchies to democracies; lost cities in Mexico; a temple in Peru; a potlatch ceremony in the Pacific Northwest; shell beads in upstate New York.

Mr. McFeely delivers a book with a misprint.

Hacker claims to have become a good guy, and decides to run for election against Motherboard. Guest starring Al Roker.

The Wild Kratts are accidentally miniaturized while adventuring in the Amazon; they set out to retrieve the Miniaturizer stolen by a monkey, relying on the powers of the poison frog.

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

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

Forrest makes too many plans on the same day; Carl and Arugula build an epic marble run but fail to get the marble to run.

Daniel is excited to share his book at show and tell; Daniel and Katerina have a tough time waiting at a restaurant.

Chef Pati Jinich talks about her cookbook, "Foods of La Frontera.".

A fun and approachable breakdown of political news.

Engineering feats that made modern civilization possible, from the connection of roads and bridges to rail networks and a continent-wide freeway system.

Public lands dove hunting; native ants of Texas; taking care of Fort Chadbourne.

A visit to County Donegal includes hiking up the sea cliffs of Slieve League; wool weaving; horseback riding along the beach; gastropub; Leo's Tavern; Moya Brennan and her family perform Celtic music; County Sligo.

Indigenous and early American food traditions; clamming on Cape Cod; the secret of Red's Eats' famous lobster roll.

Venturing west to explore the seaside towns of Rovinj and Pula on the Adriatic Sea.

Discovering the origins of the word "resort"; the Palm Beaches in Florida.

Brings attention to important work being done across the state to protect delicate wildlife habitats, threatened animal species, as well as showcase the wonder and splendor of the Texas outdoors.

Rising sea levels threaten tiny Tangier Island in the Chesapeake Bay off the coast of Virginia.

How the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

How pigeons overcome the challenges of city life and thrive alongside people in London and New York.

Experts analyze prominent international affairs topics and America's role in a shifting world.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, medicine and climate science.

Former White House Communications Director Jennifer Palmieri shares what propelled her into a life of public service, lessons she took from years in the White House and the steps the Democratic Party must take to rebuild.

A rural radio DJ connects with an unexpected audience; NASA researchers study isolation in space; an exonerated man rebuilds his community in the town that had once turned against him.

When Jasper's former mentor is murdered, a suspect is arrested but the truth hides darker secrets; Jasper risks everything to expose the killer.

Maigret and his team close in on Olga Borysenko's murderer; however, the investigation lands Maigret in more danger.

The British police join forces with the DEA to take down the international money laundering operation; in Tenerife, John Palmer has an unwelcome visitor as the pressure builds.

The Crawleys are implicated in a scandal that threatens to engulf the monarchy. Robert goes to great lengths to protect the royal family, and his own.

Alberto fails to give Ana a special birthday present; Ana and Raúl combine their talents; Mateo screens secretarial candidates; Pedro and Rita's special guest arrives.