It is early winter in the country and George wants to play outside. But the problem is he has toys for summer and snow but no toys for just plain cold. He decides he will have fun by playing with Bill's bunnies but Bill is taking them to his grandmother's house for the entire winter. Bill wants him to leave out nuts and seeds for Jumpy Squirrel all winter and George wants to find a way to have fun in the winter cold. Later, after he sees how the water in his pool is frozen, he finds a way to have fun outdoors AND give Jumpy the food he needs.

George and the Man go bird-watching at the park.

George is trying to get up his game and practice soccer, but Steve & Betsy's Aunt Margret says he must dogsit their dog Charkie. Charkie is very wild and playful and does anything she can to run away from the back alley where George is trying to practice. It seems like every time George has an exit covered, Charkie find another way out. George has to find a way to get her to calm down and sit.

George visits the dentist.

George has found himself a new friend in the city, Compass. One of the Doorman's homing pigeons which he keeps on the roof of the apartment building. But the only thing is, Compass has a bad sense of direction. So when the Man says George is not allowed to let pigeons inside the apartment, George decides to build Compass a new home on the balcony outside their apartment, eventually deciding on a tree. But soon George finds out building a tree is not as easy as it seems. Where do trees in nature come from if people don't make them?

George's favorite bouncy ball keeps deflating.

While ice fishing, Einstein and Pizza ask George to pilot their mini submarine.

George makes a totem pole for Father's Day.

Professor Wiseman is taking George to his first dog show which, to his disappointment, is not a show performed entirely by dogs. But when he gets home, The Man with the Yellow Hat wants to hear about all the dogs but George can only remember three. So he goes back to try to take note of them all and eventually brings them all home where he must find a way to organize them to count them easily.

George comes across his friends Steve and Betsy playing basketball in the city. When George tries to play, he finds out he is not very good and winds up losing the ball when it accidentally lands on a moving pickup truck. They then decide to play miniature golf instead. After Steve tells him that when playing basketball, the winner is the person that has made the most baskets has the highest score, George figures it is the same way for golf. Then Betsy tells him that in golf, the lowest score wins. Since they find the park mini golf course too hard, they decide to build one of their own.

George searches for ice to save his small snowman.

The Man with the Yellow Hat takes George to his checkup. George has never seen a doctor's office or a doctor before and becomes curious. After the doctor has to take a break, George puts on his coat and uses his equipment to try to track down a strange "bloopy" sound he had been hearing and, along the way, has to help several patients such as a woman with allergies a man with a broken arm and a woman with hiccups in the way only a monkey can.

Allie and George gather chicken eggs.

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George becomes obsessed with magic

George and Betsy learn that Charkie is afraid of thunder.

George wakes up on a windy day in the country. His friend Bill introduces him to a kite, which George wants to fly. However, Bill must go home and George cannot play with the kite until he returns. His curiosity gets the best of him and he soon finds himself flying around the countryside, even taking his friend Jumpy Squirrel with him. This is the pilot episode for the series.

The Man with the Yellow Hat has a predicament. He has to write a tribute speech for Professor Wiseman. Also, the country house cupboards are too small to hold all of their food. Then when Bill tells him how squirrels store food in the ground after seeing Jumpy Squirrel do it, George decides to do the same thing to their food. When the Man finds out, he tells George that squirrels bury nuts, seeds and things that grow. So George decides to plant and grow various objects around the house including the Man's speech which he wants to grow the rest of.

Professor Wiseman needs the Man with the Yellow Hat's help to assemble some rare dinosaur bones into a skeleton in time for an important archaeologist, Dr. Raj Desai, to see them. Wiseman and the Man finish the task and meet Dr. Desai for lunch. Meanwhile, George and Gnocchi play outside with a toy plane, which floats though a window--landing on the newly assembled dinosaur. When George climbs the fragile bones to retrieve it, the entire skeleton collapses! Using another dinosaur as a model, George is able to organize, sort, and piece together the bones back into its proper form. But how will Dr. Desai feel about a monkey working on his precious dinosaur bones, especially when the wrong head ends up on the dinosaur's skeleton?

George loves feeding the birds, but they must be starving, because all the seeds keep disappearing! Perplexed, George returns with more food, only to find a big, bushy tail sticking out of the feeder. It's Jumpy Squirrel, caught in the act of eating all the seeds! George tries to squirrel-proof the birdhouse, moving it further from the tree trunk, clearing away freestanding objects, and even developing a pulley laundry line system to hang it from. But to no avail - that squirrel can climb - and apparently eat - anything! Why does Jumpy keep taking the seeds? Has his appetite suddenly grown — or maybe they're not all for him?

The secret to Bill's amazing garden is the compost he uses to feed his plants. George decides to make compost for his hungry plants...so George empties the entire contents of his fridge in the backyard. The next morning, George realizes that instead of making plant food, he's made a stinky mess! The Renkins teach George that proper compost consists of dirt, water, and air with only certain foods (no meat or dairy). Back at the apartment in the city, George sees that all the plants need food. George prepares a hearty "meal" ...using every container that he can find. When the Man with the Yellow Hat wakes up to an unusual smell, he follows his nose to the compost! To the neighbors' delight, George made enough for all the plants in the building.

George invites his animal friends inside for a sleepover.

George throws a party for Mr. Glass's apple tree.

George and The Man with the Yellow Hat go to the country to feed ducks but have to put their plans on hold when the Renkins' chicks are missing and they must find them. George, however finds a raft on the edge of the river and soon, along with Jumpy Squirrel, finds himself-literally-going up the creek without a paddle. They eventually find a way to stop but they must now find their way back home to the Renkins' farm.

George is outside watering the garden when he gets muddy. He tries to take a bath but there's no water. Not even in the sink. Mr. Quint explains that they have a broken pump. And then he explains how to get the water, with a well and a pump. The pump they have is old. Then The Man explains that an electric pump sends it through a pipe to the house. And they go back to the city since it'll take days to get a new pump. When the go to the apartment, they don't see an orange flier. It says the plumber must shut off the water now. This means there's no water here, too. So George tries to get more water with a pipe.