Knowledge Network

Love duets and arias burst with emotion in this concert featuring selections from Donizetti's three Tudor Queens operas, performed by the Netherlands Chamber Orchestra and international vocalists.

Footage of NASA's lunar missions, from Mercury to Gemini, to the Apollo Missions.

Monty travels across Central Spain; he begins at the vast, imposing palace and garden of the Escorial before heading for Madrid, Toledo, other parts of Castile and finally Valencia.

Murdoch must prove his innocence amid corruption; Ogden is kidnapped.

Encounter protective tools that help the seas' most vulnerable survive.

Vera is called to a remote lighthouse where a body of a local council enforcement officer has been discovered lashed to a sailboat.

Paul sets off from Mallaig to visit a group of islands famed for their unusual names: Rum, Muck and Eigg; Paul meets the real "Lord Muck," visits the dramatic Kinloch Castle on Rum and joins Eigg islanders in a very special celebration.

Back in Canberra, Alex and the prime minister play a game of political cat-and-mouse; the only person that can help Alex is JC, who gets spooked before they can meet.

Mikael learns about his own city of Copenhagen and meets its people who are working to make the city a top favourite to live in.

Vera is called to a remote lighthouse where a body of a local council enforcement officer has been discovered lashed to a sailboat.

Paul sets off from Mallaig to visit a group of islands famed for their unusual names: Rum, Muck and Eigg; Paul meets the real "Lord Muck," visits the dramatic Kinloch Castle on Rum and joins Eigg islanders in a very special celebration.

Back in Canberra, Alex and the prime minister play a game of political cat-and-mouse; the only person that can help Alex is JC, who gets spooked before they can meet.

Mikael learns about his own city of Copenhagen and meets its people who are working to make the city a top favourite to live in.

Encounter protective tools that help the seas' most vulnerable survive.

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.

Lila accuses Marco of mixing all the colors of their modeling clay without letting him explain his intentions; BeeBee has his new fork-atapult confiscated after his launch of knitted little hearts is misunderstood as a wool balls attack.

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 and Kayla investigate a Triceratops family to discover why kids Dinos leave; Dad deals with his own empty nest syndrome by creating his Crafturday project.

Mia and her bro-bot Codie turn the ordinary into the extraordinary as Mia grows as a coder, thinker, big sister and learns more about coding her world.

The Catchers land on a planet populated by aliens made of different colored stones, piled on top of each other, whose favorite game is Wolf Eats Fruit.

Fabuloso faces his worst nightmare when he has to take the kids to a birthday party.

A pile of battery waste grows so big, it's takes over another country.

The super-powered puppies Felicity, Rio, Lightning and Blaze have so much fun using their superpowers that they forget how amazing their natural puppy powers can be; it's up to the super campers to help their furry sidekicks.

Split has an itch but can't find his scratching stick; since it's nesting season, all the Bokchoydactyls have cleared the valley of sticks; Ginger and the Pea-Rexes have to be creative to help Split get relief.

Using their sleuthing skills, science facts and cool gadgets, special agents Sam and Kit trek around the world to solve the animal kingdom's many mysteries.

Nick and Sally are playing when their ball gets caught up high in the branches of a tree; how they wish they were tall!

Grace Hopper shows Brad that he doesn't know if he can build his robot differently than everyone else unless he tries.

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.

Duggee and the squirrels decide to stay indoors to do some drawing when it is raining.

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 Ella heads out to collect space materials for the Clubhouse, she borrows Slippy's luckiest good luck charm, Mooncake; when Ella arrives at a black hole, Mooncake is bumped into its strong gravity.

A curious and dreamy rabbit called Molang and an inquisitive little chick called Piu Piu are inseparable best friends who always have a wonderful time going on adventures together.

Sparks' crew chases a giant ball through Citytown; to save the day, the team uses hands-on investigation and learns that pushing an object can start or stop its movement.

Naughty Monkey arrives at the clubhouse and causes chaos; he later returns to his home to relax, when his cousins come to visit and are even naughtier than he is.

JoJo, Gran Gran and all the family plan an Easter feast; when there isn't enough space in the kitchen to prepare the food, it's time for a Gran Gran plan outside in the garden.

When bandit Ladybird shrieks havoc in Adventure Bay and takes all of the town's treasures, the Mighty Pups team up with new superpals, the Mighty Twins, to save the day -- and Mayor Goodway.

Zack, Lily and Rex are putting on a play in costumes for the rest of Zerby Town. but during the show, Zack's costume doesn't work like they rehearsed.

Clifford and Bailey devise a way to help Hudson when he gets scared during a storm.

The pugs use a big block of ice to cool down on a hot summer day, making ice cream and even an igloo; but something happens to ice when it's too hot.

Peg, Cat and the Pig tumble through a portal to a bizarre triangular universe; the Toad brings Peg and Cat to the forest where he grew up.

The musical adventures of three best birdie buddies.

Little Bear is an animated series based on the series of books written by Else Holmelund and illustrated by Maurice Sendak. The curious cub and his forest friends, including Owl, Hen, Cat and Emily, a human girl who lives nearby, play together in the woods, relying on their imaginations to provide them with plenty of adventures.

When the littlest Squeaky Peeper goes missing, Abby has to find her and stop a Peeper panic.

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.

Adventure Bay is getting a new airport! Sweetie tries to take the Princess' place at the grand opening.

Gil embarks on an icy expedition to the North Pole.

Odo discovers that he has a secret ability - amazing 'owl vision'. From high atop a tree, Odo can see faraway things. But while Odo spends his time watching others, he realises that owl vision is great, but does he really want to miss out on the best day ever?

The everyday adventures of Carl, an autistic raccoon, who loves collecting things.

Lili couldn't be prouder to have Sam as a best friend, until that friendship is endangered by Sam's new pal.

The Mini Smileys and their animal friends transform everyday moments into magical musical adventures.

Quack finds a slice of bread.

Kenny G sings about the letter A to a crowd of animals, admiring avocados in argyle pants, aardvarks and apricot pies.

Bea helps Ty cope when he loses his favorite Superzoom toy.

After making a wish, the Super Monsters powers are suddenly switched; Cleo takes full advantage of Drac's mad flying skills.

A curious and dreamy rabbit called Molang and an inquisitive little chick called Piu Piu are inseparable best friends who always have a wonderful time going on adventures together.

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

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

Zack, Lily and Rex are putting on a play in costumes for the rest of Zerby Town. but during the show, Zack's costume doesn't work like they rehearsed.

In Polynesia, Andy goes looking for a reclusive Tahitian juggler to perform at the Circo.

Tommy's favorite documentary series is holding an animal video contest for its viewers. Audrey and Tommy decide to participate. But they don't agree on the kind of video they should submit: Tommy wants a spectacular clip, while Audrey prefers cute moments between the animals. Can they find a way to work together?

Bayou Matin, a small newspaper from Geronimo's media group, sends out an urgent message regarding the disappearance of their owner and senior reporter, Devereaux Fletcher.

Swinging from a rope isn't easy for Sally and Nick; good thing the Cat knows the king of swing, Charlie the chimpanzee; in the Leafylafoo Rainforest, Charlie teaches them how to use their hands and feet to swing as they help him search for bananas.

Wombats look for unicorns on the moon.

Using their sleuthing skills, science facts and cool gadgets, special agents Sam and Kit trek around the world to solve the animal kingdom's many mysteries.

Pounce wears Bondi's cap and believes that he is chief lifeguard, but trouble ensues when Gemma and Neville need rescuing.

The Adventure Rangers help Seymour Squirrel bake a very special cake for the Mini Moosers; but when Inkie decides to ignore the directions and improve on the recipe, there's no cake left to fix.

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.

When a tiny fawn gets hit by a car, Doctor Jessica must splint its broken leg or it will never return to the wild; a mother porcupine arrives with baby in tow and both need life-saving attention for a parasitic infection.

A look at the history of professional smuggling in 18th century Cornwall, where many secret smuggler's coves still exist.

Monty Don visits gardens in southern Spain that reveal influences from visitors and settlers from ancient to modern times.

Fiona Bruce and Philip Mould investigate a charming little landscape of a French village with a river running through it, purported to be by one of the founding members of the 19th-century impressionist movement, the British artist Alfred Sisley.

Michael Portillo carries his 1899 Appleton's Guidebook to Alaska as he rides the Alaska Railroad north to explore the remote former gold rush settlement of Talkeetna.

Marc Fennell unravels the true history of the Koh-i-Noor diamond, which sits at the heart of the Crown Jewels; beyond the glitz, he reveals the tragedy of a 10-year-old Sikh boy ripped from his mother and kingdom.

Cree environmentalist Melina Laboucan Massimo travels to visionary indigenous communities across Canada and around the world to discover how clean energy is propelling mankind along the path to a post-carbon future.

Fiona Bruce and Philip Mould investigate a charming little landscape of a French village with a river running through it, purported to be by one of the founding members of the 19th-century impressionist movement, the British artist Alfred Sisley.

Michael Portillo carries his 1899 Appleton's Guidebook to Alaska as he rides the Alaska Railroad north to explore the remote former gold rush settlement of Talkeetna.

Marc Fennell unravels the true history of the Koh-i-Noor diamond, which sits at the heart of the Crown Jewels; beyond the glitz, he reveals the tragedy of a 10-year-old Sikh boy ripped from his mother and kingdom.

Cree environmentalist Melina Laboucan Massimo travels to visionary indigenous communities across Canada and around the world to discover how clean energy is propelling mankind along the path to a post-carbon future.

In 1994 South Africa, the daughter of a multiracial couple is kidnapped. Reyka manages to escape, and as an adult, she uses her skills to raise her child and solve mysteries.

Dr. Sam Willis travels west to Central Asia to learn about the history of the Sogdians.

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.

Lila accuses Marco of mixing all the colors of their modeling clay without letting him explain his intentions; BeeBee has his new fork-atapult confiscated after his launch of knitted little hearts is misunderstood as a wool balls attack.

Teensie invents a new racing game, which is all about running as far as you can. But after each round, Marv keeps declaring himself the winner. After all, he got sooooo far! Marv's friends have to help him comprehend the difference between far, farther, and farthest.

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.

Mia, Codie and Evu discover a little cricket hopping around Mia's room; Codie wants to help the little cricket get back to its home; when catching the cricket doesn't work, Mia programs Codie to hop outside.

The Game Catchers learn to play the game Guess Who?

Andy learns about the old sport kabaddi.

There is a major water shortage and cities are on wheels to chase rain clouds; the team tries to convince Crock to turn off her tap.

The super kids get a mysterious invitation to go off on a scavenger hunt; Mei Lien and the normal campers are left on their own to defend the camp from another one of Doc Damage's evil schemes.

The baby Pea-Rexes are fighting over who gets to play with their recently discovered rock. Seeing the squabble, Ginger suggests they take turns, letting each of their ideas on what to play shine.

Using their sleuthing skills, science facts and cool gadgets, special agents Sam and Kit trek around the world to solve the animal kingdom's many mysteries.

Nick and Sally are playing when their ball gets caught up high in the branches of a tree; how they wish they were tall!

Xavier Riddle, his sister, Yadina, and their friend, Brad, meet heroes from the past -- from Eleanor Roosevelt to Leonardo da Vinci.

On a school trip to a haunted castle, Isadora and her friend Oliver investigate the spooky surroundings and meet a lonely ghost called Oscar, whom Isadora quickly takes a shine to.

The rabbits are upset when Happy finds their cake and eats it, so Duggee decides to make them a new cake.

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.

Slippy and Ella can't agree on what fun adventure they will go on together so they each head off on their own; then, Ella wants to be just like her mom and plans to skate, scooter race and geyser jump her way to a trophy!

In Prehistory, Molang and Piu Piu's tribe find the ideal place to stay. But they have a noisy neighbour: a rhino!

AJ's backpack has floated away in a lake; by navigating the connecting bodies of water, Sparks' crew works together to find his pack.

A lost bird needs Mojo, and Bo's hang glider, to help it get home.

Delivery Chipmunk arrives at the door with a parcel for Duggee wrapped up like a present; thinking it may be Duggee's birthday, the squirrels decide they should have a party, but will have to keep it a secret.

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

Chase and Chickaletta switch bodies and must learn to work together to return Cap'n Turbot's boat to the bay; Mayor Humdinger creates robotic pants to cheat at the Most Amazing Athlete Contest, but his invention soon goes haywire.

Dotty, Zack and Sandy attempt to fill a mysterious hole in the middle of the runway at Zerby Town Airport before Flynn the Plane falls into it when he lands.

True and Bartleby venture to the other side of the Neverending Rainbow to bring back the Rainbow King's best friend, Dilly Dally.

When a rainstorm blows into Beebopsburgh, Mi's house begins to leak, and ruins their picnic plans.

Little Bear is an animated series based on the series of books written by Else Holmelund and illustrated by Maurice Sendak. The curious cub and his forest friends, including Owl, Hen, Cat and Emily, a human girl who lives nearby, play together in the woods, relying on their imaginations to provide them with plenty of adventures.

Strange noises in the night lead Abby to a new Fuzzly: the button-loving Otis.

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.

A mighty wind sweeps Zuma and Harrigan off the beach and blows them all the way up to Jake's Mountain; Humdinger's driving lands him and his trailer at the top of a tall spire.

The Guppies must follow an egg trail to find the mysterious Oyster Bunny.

Odo has never met Doodle's "mom"; in fact, he's never been invited to Doodle's home at all; now, Odo is finally going to visit, and he's about to get the surprise of his life.

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.

When Luc has an "accident" at school, his troubles begin.

The Mini Smileys and their animal friends transform everyday moments into magical musical adventures.

Quack's sleepless night.

Kenny G sings about the letter B to a crowd of animals and beckons bawling babies, beavers and bananas.

Bea wants to be an astronaut, so she and Ty practice to go to space, only to discover that it takes years of school and practice.

The Super Monsters prepare a great big surprise for Igor and Esmie, but things don't go according to plan.

After an alien crashes in their garden, Mölang and Piu Piu try to hide him from their friends.

When the gang goes camping in Canada, Moonlock, a cat detective, must figure out who is pranking the campsite.

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

Dotty, Zack and Sandy attempt to fill a mysterious hole in the middle of the runway at Zerby Town Airport before Flynn the Plane falls into it when he lands.

A lost bird needs Mojo, and Bo's hang glider, to help it get home.

The normally shy Leo must tap into his inner Maori warrior to perform a welcome ceremony for a Maori chief.

Karl wants to join a prestigious school for animal keepers. Sonia and Pat make him pass the entrance exam with Suki, a female tree kangaroo. But Karl makes a lot of blunders, and Suki's fiery temper doesn't help. Audrey and Tommy realize that Obi and Suki look exactly alike, so they decide to swap the two tree kangaroos to make the exam easier.

Geronimo continues to receive emails from Olaf about UFOs over the desert, and takes turns with his friends to determine if the reports are true or false.

Sally and Nick are trying to guess which game Harvey the guinea pig might like to play with them; the Cat takes them to meet his friend Katie the Cavy, a wild guinea pig, but when they try to ask her, she playfully runs off.

Louisa commands the moon to change its shape.

Using their sleuthing skills, science facts and cool gadgets, special agents Sam and Kit trek around the world to solve the animal kingdom's many mysteries.

A TV crew arrives to film real-life rescues on Kangaroo Beach; Frizzy makes a vow to become world-famous by having someone rescue her.

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.

In the future it's raining glitter, which is both horrible and fabulous at the same time. The team goes back in time to discover how Doc Crock's unrecyclable plastic glitter created a mountain of trouble.

Blessed with a vibrant natural environment, the San Andres Archipelago abounds with marvels, like one of the world's largest barrier reefs.

Underneath Queen Elizabeth II's coronation throne was a sacred stone that was stolen from Scottish kings; one Christmas night, a group of Glasgow students decided to steal it back.

Situated in the hottest place in Canada, the "Kanaka Bar" Indian Band know firsthand the rising threats of climate change; why their innovative approaches to food, water, energy and resource security are earning them national praise.

Insect numbers are declining in Costa Rica; biologist Patrick Aryee heads deep into the rainforest to find out just how far and wide this change is being felt.

The story of how a young woman and her psychiatrist ignited the global Satanic Panic with their book, "Michelle Remembers.".