Knowledge Network

Lynn plays surrogate to baby beavers; Zach is forced to follow a seal along the coastline; a patient returns after a release goes wrong.

Former soldier and archaeologist Ben Timberlake is on a mission to reveal the ice's role in wars past, present, and future.

Michael Portillo retraces the journeys featured in George Bradshaw's Continental Railway Guide.

Lynn plays surrogate to baby beavers; Zach is forced to follow a seal along the coastline; a patient returns after a release goes wrong.

Satellites follow an elephant family struggling through drought; reveals previously unknown emperor penguin colonies from the color of their poo; discovers mysterious ice rings that could put seal pups in danger.

A frightened, bloodstained man takes David's taxi; Oscar Blaketon is seriously injured.

Gated estate Challis Court is a tight-knit community for retired police officers, but when a new arrival is found dead, the other residents regard the murder as an affront; Barnaby realizes that the killer is likely an ex-police officer.

Julia reaches her ultimate destination, the island of Chios, where her family's story began.

The people of Chile's remote archipelago of Chiloe are at a crossroads, stuck between modern times and their traditional lifestyle.

Gated estate Challis Court is a tight-knit community for retired police officers, but when a new arrival is found dead, the other residents regard the murder as an affront; Barnaby realizes that the killer is likely an ex-police officer.

Julia reaches her ultimate destination, the island of Chios, where her family's story began.

The people of Chile's remote archipelago of Chiloe are at a crossroads, stuck between modern times and their traditional lifestyle.

A frightened, bloodstained man takes David's taxi; Oscar Blaketon is seriously injured.

The survival of the Bauhaus rests on the success of their exhibition showcase.

Just as Hope is scrambling to get ready for her busiest day of the year, the government decides to seize the bear cub Hope's worked so hard to save.

Ms. Frizzle's sister takes her class on a variety of science adventures in a high-tech bus.

A storm rages and there's a power outage, which leaves the shelter without electricity; the adults take care of the most urgent tasks, Audrey and Tommy oversee retrieving the reptiles from the vivarium to keep them warm.

After a witch turns Bubble Puppy into a frog, Molly and Gil try to undo her spell.

Grizelda wants to help the Rainbow Kingdom, just like True, so she gets her Grizmos to build a giant robot: The Grizbot; when Frookie takes control of it, True has to come to her friends' rescue.

Blu's hat is stolen by a cartoonist who steals objects to recreate them in a mural; the Mironins get the hat back, but now the artist doesn't know what to draw.

Chip is eager to fix every broken thing in town but his superfast repairs only make everything worse; it's a good thing Chip has Luna and Inkie's help to fix all his fixes.

Abby is nervous about playing sports on Track and Field Day and keeps using her gear, which is against the rules.

A clever mouse outsmarts its predators while walking in the forest.

This show follows the adventures of animated versions of brothers Chris and Martin Kratt, hosts of such educational shows as "Kratts' Creatures" and "Zoboomafoo." In the show, the animated Kratts encounter wild animals during stories of adventure and mystery. The live-action Kratt brothers introduce each episode.

Best buddies Luna, Chip and Inkie are always eager to lend their friends a wing, paw or tentacle because helping others is what they do best.

Sam and Kit investigate the strange shrieks keeping the bats awake in a cave.

Riley and the guys are helping Aunt Jenny pack the van. She's on her way to a family hoedown in the country. Riley will miss her but is happy Aunt Jenny gets to go and enjoy home. But not so fast. Dr. Dandelion creates seeds that turns the streets of Greenville into swampland, planning to get its citizens to be unimpressed and leave Greenville for good. Aunt Jenny wishes she could leave for the ho

Shaun's flock lives a peaceful life under the watchful eye of Bitzer.

Lynn plays surrogate to baby beavers; Zach is forced to follow a seal along the coastline; a patient returns after a release goes wrong.

An exploration of little-known stories behind San Francisco landmarks and locations, including its golden fire hydrant and Dutch windmills.

Murdoch suspects a connection exists between the murders of men found with lipstick on their faces and a dancer.

Yo-Yo Ma performs alongside The Berliner Philharmoniker, conducted by Manfred Honeck at the 2016 Easter Concert in Baden-Baden, Germany.

Monty Don tells the stories behind France's important historic gardens.

Murdoch suspects a connection exists between the murders of men found with lipstick on their faces and a dancer.

Wildlife cameraman Gordon Buchanan travels to the wilderness of Lapland where he visits with the indigenous Sami people, reindeer, and sees the Northern Lights.

The poisoning of a celebrity chef confounds the team as they question how and when the poison could possibly have been administered.

Tosh witnesses the argument of two married friends, Annie and Ian Bett; Annie sets a meeting with Tosh as she wants to speak to her about something important, but when Tosh arrives, there is no sign of Annie's car and she is not picking up her phone.

After another heist by the Kelly gang, Jay pieces together their identities and uncovers their hideout; Anousha finds an unexpected detail of the police investigation into Josh's death and suddenly finds herself in danger.

An exploration of little-known stories behind San Francisco landmarks and locations, including its golden fire hydrant and Dutch windmills.

The poisoning of a celebrity chef confounds the team as they question how and when the poison could possibly have been administered.

Tosh witnesses the argument of two married friends, Annie and Ian Bett; Annie sets a meeting with Tosh as she wants to speak to her about something important, but when Tosh arrives, there is no sign of Annie's car and she is not picking up her phone.

After another heist by the Kelly gang, Jay pieces together their identities and uncovers their hideout; Anousha finds an unexpected detail of the police investigation into Josh's death and suddenly finds herself in danger.

An exploration of little-known stories behind San Francisco landmarks and locations, including its golden fire hydrant and Dutch windmills.

Wildlife cameraman Gordon Buchanan travels to the wilderness of Lapland where he visits with the indigenous Sami people, reindeer, and sees the Northern Lights.

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

Ten-year-old Finley is just wild about dogs and her dream is to become a dog trainer so she can spend all her time with them and to make sure the world is full of well-trained good boys and girls.

Best friends and word detectives Gabby and Sly solve word mysteries in the town of Wordsville.

Best buddies Luna, Chip and Inkie are always eager to lend their friends a wing, paw or tentacle because helping others is what they do best.

Dex is a "paleontologist in training"; Dex operates the Dino Field Guide and has the uncanny ability to see dinosaurs in the real world, but he pictures them in a completely new way.

The Game Catchers land on the Salad Planet and learn the game Hurdles Relay; the Game Catchers land on a new planet and learn the game You Fall, You Lose.

Leo wishes he could live an exciting life like the Vikings of Icelandic sagas.

The Galapagos X Team heads off on its first test mission to take the future back, but they accidentally travel back to the wrong time and Bobbi is bird-napped by future-enemy Doc Crock.

Its the first day of summer camp and all the superhero campers are excited to be back at Camp SMASH.

When a naked mole rat princess goes missing, Sam and Kit are called in to find her; the open desert is no place for a defenceless mole rat.

Sally and Nick have run out of honey, but luckily the Cat knows just where to go to get more; they visit Queen Priscilla Buzzoo, who invites them to join in the bee dance to learn how to make some.

Jim Thorpe shows Brad that if he wants to play flag football, observing others is a great way to learn.

When Isadora loses a fang, she has to decide whether to follow the fairy tradition of offering it to the Tooth Fairy or the vampire tradition of framing it; after a trip to the vampire dentist and a meeting with the Fairy, she makes her decision.

Best buddies Luna, Chip and Inkie are always eager to lend their friends a wing, paw or tentacle because helping others is what they do best.

Joe, Nina and Buddy leap into adventure with their superpowers.

Ro, Low and Blu, three droplets of paint, escape Joan Miro's painting to explore the artworks in the museum; however, they often get into trouble and must find a solution.

The birds can't remember what groceries to buy.

The squirrels discover that cardboard boxes can be very interesting when Duggee gets a delivery in a big cardboard box.

It's been raining, so JoJo wants to get outside and splash in the puddles; Isaiah arrives for his play date with JoJo, but Isaiah wants to stay inside and read his science books; Gran Gran suggests they compromise; she has a plan.

Cap'n Turbot's weather blimp is taken by Mayor Humdinger, who plans to use it to change the weather in Foggy Bottom; Mr. Porter's stove explodes right before the chili cook-off.

Zack and Rex want to play in the Zerby Town sand pit, but the pit is so small, they can't both fit in it at the same time.

Emily Elizabeth and Clifford's swashbuckling adventure turns into a hunt for Tucker's beloved Lil Squeakie; Emily Elizabeth, Clifford, Samantha, Pablo and Jack race to be the first to Mars.

Peg and Cat solve problems and learn foundational math concepts and skills.

While investigating exoskeletons, the hercules beetle accidentally gets enlarged.

Quack finds a slice of bread.

The Adventure Rangers and their neighbors are overwhelmed by a leaping, hopping and croaking frog-vasion; Luna, Chip and Inkie must find out why the croakers are here.

When Harold Humdinger uses a giant robot to take the buildings of Adventure Bay and make his own town, the Mighty Pups must save the day; the Copycat is back and Adventure Bay needs a Mighty Rescue when he traps the entire town.

It makes Tiny sad when the leaves leave the trees, so she tries to make the leaves stay! When more and more leaves keep falling to the ground, she learns to look at things in a different light.

Deema must turn over a new leaf and try broccoli if she wants to earn her broccoli badge at scout troop initiation.

When the Squirrels find Duggee playing the saxophone, they want to have a turn too.

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.

When Mom's potato pudding (Aloo Ka Halwa) is uneaten at the school's potluck, Amala makes it her mission to eat all the evidence to protect Mom's feelings.

A matter of taste becomes an intense competition when Ollie and Moon make lemonade.

Lexi is excited to show her friends her new parrot, Mr Talky, but she gets upset when he does not talk to her.

At the museum, Frankie accidentally bumps and breaks things; Frankie feels bad, but his friends know he'll feel better if he talks about it.

The Squeaky Peepers cause Fuzzly trouble when Abby uses them to deliver packages to the guests.

Gus the Itsy Bitsy Knight seeks adventure at every turn; though small in stature, he possesses a big, kind heart.

Zack and Rex want to play in the Zerby Town sand pit, but the pit is so small, they can't both fit in it at the same time.

When Leo accidentally ruins the Circo tent in Kumasi, Ghana, he discovers the practice of making amazing buildings out of mud.

Audrey and Tommy are excited to help Pat train Marlo the giraffe, but their eagerness makes Marlo nervous. To teach them patience, Pat gives them assignments, including fixing the Pica's den. When they discover that someone keeps destroying Milo's den, they suspect Pat.

Trap is asked to join the Royal Scotland Golf Club, where he has his own castle. He joins Geronimo and his family, but has a difficult time on the golf course.

Nick and Sally are playing in their sandbox, but there's not enough room for them to build their castles; The Cat in the Hat arrives to take them to the biggest sandbox they'll ever see, the desert.

A playful trio of marsupial siblings look for interesting problems to solve in their Treeborhood.

When a naked mole rat princess goes missing, Sam and Kit are called in to find her; the open desert is no place for a defenceless mole rat.

Four junior lifeguards work under the guidance and encouragement of mature lifeguards to become heroes of Kangaroo Beach.

Best buddies Luna, Chip and Inkie are always eager to lend their friends a wing, paw or tentacle because helping others is what they do best.

When a January heatwave pulls the plug on the future's winter fun, the team goes back in time to find the problem; the problem is the big carbon footprints from Crock's new line of monster trucks.

Lynn plays surrogate to baby beavers; Zach is forced to follow a seal along the coastline; a patient returns after a release goes wrong.

Starting his epic cross-country walk on the west coast of Cumbria, Tony Robinson travels through the Lake District, ending up at England's most remote youth hostel, Black Sail Hut. (1 of 6).

Monty Don investigates how the French love of food has influenced their gardens.

Suzy Klein looks at how composers such as Beethoven, Berlioz and Liszt became the superstars of their era.