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Tracing the family trees of talk show host Sara Haines and playwright Tracy Letts.

How Black and Jewish communities collaborated in music, film and activism from the 1920s to the 1950s.

Cleaning up paint when it spills on the floor; how 3-way switches work and common wiring mistakes; installing a classic wooden split rail fence.

Nick is startled by a shadow during a sleepover in the treehouse; Nick and Sally go to Ballaballo, where they learn about how balls are made.

Becky appreciates her family's special powers when the Butcher breaks out of jail; Captain Tangent attempts to steal the doubloons at the Rare Penny Exhibit.

When Baby Joy shakes her book, "A Day With Farmer Fred," words fall out and get mixed up, so the Super Readers go into the storybook to put the words back in the right order.

Jet, Sean, Sydney and Celery retrieve ice from Saturn so they can build a skating rink for Mindy; the gang decides to make a scaled replica of the solar system.

Peg and Cat become Knights of the Round Table when a furniture store becomes a forest; famous painters need purple paint for their masterpieces.

When Baby Joy shakes her book, "A Day With Farmer Fred," words fall out and get mixed up, so the Super Readers go into the storybook to put the words back in the right order.

Pinkalicious can't wait to make valentines for her class party, but Cupid offers her a trade that turns her plans upside-down.

When the Tortuga crashes somewhere in the middle of the Amazon rain forest, the ship's electrical system is destroyed.

The Hunter kids head to the state park to learn why leaves change color.

Luke plays doctor with Stu as a nurse and Lyla pretends to be different patients; Lyla, Everett, Luke and Stu build an elaborate track to get a tennis ball down to the lobby.

When Nico teases Carl about bikes being for babies, he sets out to prove Nico wrong; Carl and his Fuzzytown friends can't wait to build a tree fort, but Carl has a hard time working as a team.

Lora Brody demonstrates bread-machine breads, brie in brioche and quitza.

The foundation of the house has no footings, so Mark McCullough pours a buttress; Kevin visits the 2001 Manchester by the Sea project; back at the house, Richard solves a ductwork puzzle while Kevin and Tommy install a PVC trim overhang.

At the Church of the Holy Sepulchre in Jerusalem, an orthodox Christian must deliver a holy flame into the hands of his bishop; at the Boudhanath in Nepal, a Buddhist painter battles the elements in honor of Buddha's birthday.

Animal parents balance risk and reward to raise their young in grasslands; wild dogs must control their teen pups for survival; an expecting langur learns parenting skills by babysitting.

Sichuan noodles with chili sauce and pork; mortars and pestles; Lion's Head meatballs.

Beef, orange, and olive stew; chocolate meringue cookies; lentil salad with gorgonzola.

An Austrian "Naughty" cat bronze circa 1900; a Margaret Mitchell archive; a Cartier diamond ring circa 1940.

Exploring Virginia's history starting at Jamestown; Colonial Williamsburg; Punjabi cuisine at Masala Craft; rare instruments at the Virginia Musical Instrument Museum; exploring Yorktown's battlefields and Revolution Museum.

Exploring artifacts at the Alabado Museum; the Virgin of El Panecillo in Quito, Ecuador; a boat expedition in the Galapagos includes swimming with penguins, sharks, turtles and sea lions; hiking among iguanas and tortoises.

People and organizations creating unique solutions to rural America's toughest challenges, and how these collaborators are inspiring empathy and action to transform communities across the nation.

After caring for her family for years, a woman finally gets a chance to move into a dream home -- but she only has one week to move.

A bomb is dropped in barren land; sick cows disappear.

Short films include "Quan 13" and "Ryori.".

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

Exploring the origins of mammals, long before the age of dinosaurs, and how early ancestors survived global catastrophes and defied extinction to evolve into the vast array of mammals we know today.