More than three decades after the debut of Carl Sagan's groundbreaking and iconic series, "Cosmos: A Personal Voyage," it's time once again to set sail for the stars. Host and astrophysicist Neil deGrasse Tyson sets off on the Ship of the Imagination to discover earth's Cosmic Address and its coordinates in space and time. Viewers meet Renaissance Italy's Giordano Bruno, who had a spiritual epiphany about the infinite expanse of the universe. Then, Tyson walks across the Cosmic Calendar, on which all of time has been compressed into a year-at-a-glance calendar, from the Big Bang to the moment humans first make their appearance on the planet.

Host Neil deGrasse Tyson is on a voyage to explore the relatedness of all livings things and the possible evolution of life in the cosmos. Go on a journey to discover how artificial selection turned the wolf into canine breeds and how natural selection sculpted the complex human eye. Later, Tyson visits the grand Hall of Extinction, a monument to all the broken branches on the tree of life. Retrace the story of life on Earth and the unbroken thread that stretches from the first one-celled organisms to human life.

The Ship of the Imagination travels back in time to reveal 11th century Europe and North Africa during the golden age of Islam, when brilliant physicist Ibn al-Haytham discovered the scientific method and first understood how we see, and how light travels. Later, William Herschel discovers the infrared and the signature hidden in the light of every star, eventually unlocking one of the keys to the cosmos.

Neil deGrasse Tyson sets off on the Ship of the Imagination to chase a single comet through its million-year plunge toward the sun. Later, Tyson visits the birthplace of Sir Isaac Newton and retraces the unlikely friendship between Newton and brilliant polymath Edmond Halley. It was Halley's patience and generosity which allowed Newton to conquer his fear of isolation and find the courage to publish his masterwork, "Principia Mathematica" which launched a science revolution.

Explores how light, time and gravity affect our perception of the universe.

The Ship of the Imagination makes a final journey to explore one of the biggest mysteries of the universe: dark energy. Meet one of science's greatest unsung heroes, Fritz Zwicky, whose prediction of supernovas paved the way for our larger understanding of dark energy, the unknown force in the universe that overwhelms gravity on the grandest scale. On our final voyage, discover the romantic message embedded in Voyager's Interstellar Golden Record and contemplate the spiritual experience of life on Earth as our cosmic journey concludes with Carl Sagan's unforgettable meditation, The Pale Blue Dot.

The Ship of the Imagination ventures on an epic voyage to the bottom of a dewdrop to explore the universe on the smallest scale and observe exotic life forms invisible to the naked eye. Then, host Neil deGrasse Tyson explains the neural network in our brains which determine our sense of smell and memory, and later, he travels deep beneath the surface of the Earth to discover the most mysterious particle we know. Host: Neil deGrasse Tyson

The Ship of the Imagination travels to our near neighbor Venus, where we begin our journey to discover the long history of global warming and the greenhouse effect. Later, explore the detrimental effects of climate change and trace the magnitude of our impact on the Earth's atmosphere. However, with knowledge, technology and science within our grasp, imagine a hopeful future where we dedicate our efforts to taking care of our home, Planet Earth.

The Ship of the Imagination embarks on a journey through space and time to grasp how the autobiography of the Earth is written in its atoms, its oceans, its continents and all living things. Later, American geologist Marie Tharp creates the first true map of Earth's ocean floor, and discovers microscopic life that exists deep beneath the ocean.

The Ship of the Imagination travels across the cosmos to discover the possibility of beings that live forever and explain why other civilizations perish. Then, visit the Cosmic Calendar of the Future and contemplate what lies ahead with a hopeful vision.

Travel to 19th century England and meet Michael Faraday, a child of poverty who grew up to invent the motor and the generator. His ideas about electricity and discovery of magnetic fields changed the world and paved the way for future scientists to make giant strides in the world of high technology and instantaneous communication.

Discover the remarkable story of Annie Jump Cannon and Cecilia Payne, two incredible women who challenged conventional wisdom and uncovered the real-life story of the stars. Cannon led a group of female astronomers in the early 20th century to catalog the spectral characters of stars, and two decades later, young British beauty Payne joined forces with Cannon to analyze the data and uncover the chemical compositions of the stars. Later, travel on the Ship of the Imagination to explore the lives and deaths of stars and visit the planet of a star orbiting a globular cluster.

To determine the true age of the Earth, geochemist Clair Patterson developed the uranium-lead dating method to make an unprecedented discovery -- calculating Earth's age of 4.5 billion years. But Patterson's groundbreaking discoveries were just beginning. Patterson made it his mission to draw public attention to the detrimental effects of lead in the environment and dedicated his career to fighting against the petroleum and chemical industry, eventually achieving public health's biggest victory of the 20th century.

The makers of COSMOS: A SPACETIME ODYSSEY give you a sneak peek into this epic journey through our universe. Airs Sundays at 9/8c on FOX and Mondays at 10/9c on the National Geographic Channel, starting March 9th.

Santa visits Gabbaland with guests: Tori Spelling, Tony Hawk, Mark Mothersbaugh, Leslie Hall, Cults, My Chemical Romance

Wubbzy has fun playing chase with Chumley the dinosaur. But everyone who sees their game thinks he is rescuing them from a scary monster! Wubbzy likes being called a hero, but when his friend returns he has to tell the truth.

DJ Lance loses the magic star on his hat, so he brings the Gabba friends to his music room to help him search. Guests: Mark Mothersbaugh, Bootsy Collins, Erykah Badu, Biz Markie, Questlove, Jack McBrayer, Paul Scheer, Kemba Russell, Leslie Hall ,Papas Fritas

DJ Lance and his Gabba Land friends visit a farm where Farmer Josh teaches them about farm animals, growing vegetables, living on a farm, and even holding a Farmers' Market. Plus, a good old-fashioned farmyard hoedown!

So much of Christmas is wrapped up in what we receive, but this episode is more about giving. The characters learn to embody the generous spirit of the season, making it fun to give.

Guest Star: Snow Princess Claymation

When the Gabba Land gang learns about the Olympics, they decide to compete in their own games to win medals and have a good time at the Yo Gabba-lympics!

Foofa gets a new pet called a Mokicho, but it becomes a lot of work. Plex explains the rules of pet care, and everyone helps Foofa care for the pets.

Grover explains the meaning of "first" and "last"; Cookie Monster has to decide which cookie shape is best; Kermit belts out a tune called "This Frog"; and trouble is afoot as Ernie prevents Bert from getting a good night's sleep. Also, the Two-Headed Monster and Grundgetta, Oscar's girlfriend, pay a visit to the Street. This episode is brought to you by the letters G and Q, and the thrilling number 3.

Wubbzy's Magical Mess-up: Moo Moo warns Wubbzy not to try any magic while he watches the workshop. But Wubbzy can't resist giving his wand a try. Tea for Three: Wubbzy enlists his friends' help when he decides to throw his very first tea party.

Wubbzy has been watching too many scary movies! He's afraid the monsters might be real, so his friends help him find a way to be brave.

The makers of COSMOS: A SPACETIME ODYSSEY give you a sneak peek into this epic journey through our universe. Airs Sundays at 9/8c on FOX and Mondays at 10/9c on the National Geographic Channel, starting March 9th.

Wubbzy has fun playing chase with Chumley the dinosaur. But everyone who sees their game thinks he is rescuing them from a scary monster! Wubbzy likes being called a hero, but when his friend returns he has to tell the truth.

Daizy and Wubbzy find themselves acting out a fairy tale when they go on an adventure to replace Widget's Pickleberry bush.

A sneak peak at the Tickety Toc holiday special, "Christmas Present Time.

Widget wants to win the construction contest, but she's lost her lucky wrench! Will her new Super Searcher machine find it before the big day?

Why is Walden being so secretive? When his weird behavior makes them suspicious, Wubbzy and Widget break out their spy gear for a covert mission to find out what he's up to.

Get a FREE behind the scenes look of the landmark television event THE BIBLE. More than the greatest story ever told, itÍs the greatest adventure!

The Tree Fu Rangers are on Ariela’s Ranch today, trying to win their ‘Green Fingers’ Badge. Much to the apprehension of his friends, Tom plants some carrot seeds he’s brought from the big world and they grow huge! Try as they might, they can’t pull them up. Unknown to his friends, Zigzoo rushes off to create an invention to help and starts pulling the carrots down from underground with his new Harvesting Hands invention (a wearable frame with two Helping Hands controlled by joysticks). This sparks fear in the Treelings who thinks the carrots are alive and out to get them. Their fear is fuelled as Zigzoo causes a cave in which creates a sinkhole above that Ariela falls into. Though Tom saves her with Big World Magic, Zigzoo then decides to blast the carrots upwards instead and this only adds to Tom’s problems as he tries to reassure his panicked friends that there must be a rational explanation. As the giant carrots rain down, the Treelings fear drives them into a dangerous part of the caverns where they encounter Zigzoo in his wearable invention covered in debris and broken carrot from the cave-in. In their panic to escape this ‘carrot monster’ they unleash a torrent of sap from a blocked cave and only Tom’s Big World Magic can save them. As the flood subsides the Treelings see that the carrot monster is actually Zigzoo and understand what has happened; the carrots are just harmless vegetables after all and actually tasty too. Tom wins his Green Fingers Badge and heads home.

At Spell School, Chezz taunts Twigs about his size; he’s the smallest Sprite. Feeling he has something to prove, Twigs ropes Tom into a competition against Chezz to collect sparkle spores for Treetog’s Sparkle Show in the Fungus Forest.

The Nile is an exceptional river with not just one but thousands of sources. Follow the melting snow of the Rwenzori Mountains and the rains in Rwanda and Burundi as they give birth to the world's longest river.

The Blue Nile is not just a tributary. Lake Victoria aside, it's the largest water supplier to the Nile. During the rainy season, it's more powerful than the main river. Travel from the Ethiopian highlands, through the Egyptian desert to the Nile delta by the Mediterranean Sea.

In the peaceful Murchison Falls National Park time seems to stand still as thousands of hippos enjoy the water of the Nile. Some of Africa´s largest crocodiles crowd the banks and hundreds of thousands of birds fly high above the river, in search of their feeding and breeding grounds. Under the scorching sun, elephant herds leave the savannah to drink and bathe in the river.

The Election Problem: When the Farmer holds an election to see who'll watch over the farm in his absence, Peg and Cat run against the Pig to win the votes of 100 chickens.
The Littlest Chicken Problem: Peg and Cat follow the Littlest Chicken all through Fairytale Land, as she searches for a group that's just the right size to be her new family.

Searching for new fungus to complete his Fungopedia fungus-identifying invention with the Tree Fu Rangers, Zigzoo discovers a strange fungus.

Wubbzy has been watching too many scary movies! He's afraid the monsters might be real, so his friends help him find a way to be brave.

Wubbzy's Magical Mess-up: Moo Moo warns Wubbzy not to try any magic while he watches the workshop. But Wubbzy can't resist giving his wand a try. Tea for Three: Wubbzy enlists his friends' help when he decides to throw his very first tea party.

The Ghost of Wuzzleburg: Wubbzy wants to win first prize in the Halloween costume contest but his scary monster costume has everyone afraid he's a real monster! March of the Pumpkins: At the Harvest Festival, Wubbzy and Daizy compete to find the biggest pumpkin.

Tom and Twigs are desperate to get their Super Helper Badges and quickly become over stretched trying to help everyone who asks as soon as they ask, never seeing any job through and each job descending into chaos.

On a hot day in Treetopolis, Tom and Twigs are more intent on enjoying Frosty Berry Smoothies than clearing Warble Weeds from Ariela’s Ranch.

A magical Golden Spore released from the Great Gnomestool grants everyone’s angry wishes during an argument; each character having one of their key traits removed or reversed. They then have to embark on a quest to find another golden spore to reverse the wishes, set against Puffy (Stink is turned good) and having to cope with the consequences of their wishes. They all learn to appreciate each other more; after all, you don’t know what you’ve got till it’s gone.

National Geographic explores, moment by moment, the day before everything changed in America and the world. Ordinary events are infused with meaning when viewed in a rear view mirror. Small decisions become matters of life and death the next morning.

Squirmtum feels that the sap mining and delivery job is rubbish and is made to feel inferior by Tom and friends so he decides to try out Tree Fu magic to become Treetopolis’ new super hero, causing more harm than good.

For the first time ever, Tom can’t do the moves for a Tree Fu magic spell. His struggles to find a way to avoid further failure only compound and escalate the problem; as a broom and Zigzoo’s Wagon both brought to life by a magic potion run riot around Treetopolis. Tom learns that if at first you don’t succeed, try, try again; each time you try, you get a little better.

In frozen Arctic Canada, Hazen tries to master skills that have helped the Inuit survive for thousands of years. In sub-zero temperatures, Hazen must prove himself before he can join an elite hunter to harvest mussels beneath the shifting sea ice.

Animal Fight Night brings you up-close to the toughest and meanest fights on dry land--from a badger’s attempt to feed her kids gone bad, to a hippo defending his family to the death, to a cutthroat fight between wild turkey.

From lion brothers staging a hostile takeover, to saltwater crocodiles battling for bathing rights, to giant hornets eating their queen alive, Animal Fight Night reveals fights from the swamps of Australia to the rooftops of the Himalayas.

From PBS KIDS - The Potty Problem: Peg and Cat must teach Big Mouth the 6 steps for going to the potty, or his visit to Viv's house will be ruined - as will Viv's carpet!
The Butter Problem: To compete in a butter sculpting contest, Peg and Cat must learn certain math skills by doing farm chores.

From PBS KIDS - The Pirate Puzzle Problem: Peg and Cat must help the pirates put together a puzzle, and then the four sections of their sinking ship.
The Scrap of Map Problem: When the Pirates' treasure map is torn and carried off by the wind, Peg and Cat and friends from far and wide put their scraps of map together to find the treasure.

From PBS KIDS - The Sushi Problem: Peg and Cat help Aki pursue a tricky thief through the Japanese countryside, making use of their Ninja skills and three mysterious clues.
The Highlight Zone Problem: Peg and Cat find their world turned black and white! They must identify ten things that are the wrong size or shape, before they will be allowed to leave...the Highlight Zone.

It's a second chance for David to make first impressions as he sets out to master the humble handshake. Can arm wrestlers, hand specialists, and the man with the best handshake in town help David "shake" his bad habits and greet the world with confidence?

Hazen Audel takes a crash course with the San people of Namibia in hopes of joining an epic Kalahari hunt. Hazen endures extreme temperatures, venomous scorpions and charging elephants. Can he survive to join an elite San hunting team in the Kalahari?