KSWK-DT

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.

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.

The Shuffler traps the Super Readers in a high-tech maze; Mr. More and The Eraser wage a battle of opposites.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Elmo and his friends prepare as a big storm approaches Sesame Street.

It's a busy time for Arthur as he and his family prepare for Thanksgiving while the elementary students prepare for the annual Thanksgiving parade.

Exploring the letter k; words that use the letter k; Maya gets frustrated during a game of Shadow.

A look inside the creative process of writers, creators and filmmakers.

Social, political and economic trends of American agriculture.

The Mercedes-Benz CLA250+ Electric luxury sedan; the all-new Audi Q3; "Your Drive" DIY garage segment.

Elk & Buffalo have proven themselves to be a high protein meat that is sought after worldwide. Find out the process of raising and taking care of these animals on this new episode of Real Ag Season 7 – 2018.

Business coach Teresa Rand discusses how not to feel invisible as one ages; Nicholas Stuller explores the value of financial advisers; the importance of prenuptial and postnuptial agreements.

Grammy Award-winning tenor David Phelps performs with a full band, organ and gospel choir on his Tennessee farm; songs include "Amazing Grace," "How Great Thou Art," "In the Garden" and "Victory in Jesus.".

The cleanest mountain stream in Southwest Virginia and a revived trout hatchery.

Kansas physicians respond to viewers' questions. (Call-in).

A U.S. Secret Service archive circa 1900; a 1965 Noah Purifoy Watts riots sculpture.

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

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.

Explore the methods and significance of one of the most vital frontier trades and visit with people keeping this craft alive.

The annual Lilac Festival; High Tea at the Grand Hotel with the Lilac Festival Queen at Fort Mackinac.

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.

Blues rock musician Gary Clark Jr. performs highlights from "JPEG Raw"; Black Pumas present selections from "Chronicles of a Diamond.".

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