K22MT-D

Understanding how the brain shapes reality, including the tricks and shortcuts the brain takes to keep a person alive; with neuroscientist Heather Berlin.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

An Edgar Allan Poe daguerreotype; a Teco collection circa 1905; a 1907 Frank Lloyd Wright archive.

Thoreau returns to society, taking on roles as surveyor, scientist and abolitionist, and makes two more Maine trips; Thoreau writes with renewed energy as he faces a lifelong illness.

Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

An Edgar Allan Poe daguerreotype; a Teco collection circa 1905; a 1907 Frank Lloyd Wright archive.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

It's an exciting day for Lily and her family when they move into their new house.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

Daniel has many activities he wants to do with Juan Carlos, but Mom reminds him to ask his guest what he wants to do; Daniel can't wait to show Juan Carlos the Clock Factory.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

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.

Malik enters the Undergroundborhood to retrieve JunJun's favorite ball; the Wombats cheer up Buckley with balloons.

Duck Duck learns how to fix her broken bookcase; Donkey welcomes Greeble the Treeble to Someplace Else.

Rosie learns about a surprise for a sister, and tries to find out who that sister is; Rosie looks for someone to be her twin.

Honeybees disturb Elinor, Art, Olive and Koa during their picnic in the forest; the kids work together to move their dirt bike path so turtles can get to the water.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

The kids create a new game called Mollyball; Molly convinces a travel guide writer to visit Qyah, so the village can be added to the guidebook.

Louis Pasteur helps Xavier with his volcano experiment project; Rachel Carson helps Brad figure out a way to help butterflies migrate.

Daniel has many activities he wants to do with Juan Carlos, but Mom reminds him to ask his guest what he wants to do; Daniel can't wait to show Juan Carlos the Clock Factory.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

Louis Pasteur helps Xavier with his volcano experiment project; Rachel Carson helps Brad figure out a way to help butterflies migrate.

The team learns about friction and how to slow down a moving object when a masked villain takes over the Mobile Unit van's computer.

George spends time with his new friend, Carl, who has Asperger's syndrome; D.W. and James ask their siblings to coach them through the pre-school swim meet.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

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.

Weaving connections between science, culture and spirituality, a look at how the ripple effects of one person can impact the world around them and beyond.

A gambler appears to have committed suicide.

A gambler appears to have committed suicide.

Cora is determined to get her hands on another case; an opportunity arises.

Weaving connections between science, culture and spirituality, a look at how the ripple effects of one person can impact the world around them and beyond.