First, in the City, neither rain, nor snow, nor hot weather nor Charkie the black Cocker Spaniel could stop Marco and his Latino band, "Lobos De Plata," from playing at Mr. Glass' Endless Park band-stand.
But when they tear down the band-stand because it is ruled unsafe, Curious George is unable to attend Lobos De Platta performances, and so he searches for Marco at Plaza Del Sol Subway Station and finds Marco on the street above, where Marco invites Curious George to visit his Mother, Father, Uncle Felix and Cousin Ceclila and to partake in a foreign foods' lunch.
Now, Marco and his Father, Uncle Felix and Cousin Ceclila, still have no where to perform as Lobos De Platta, and so Curious George suggests Chef Pisghetti's Restaurant, but waiters and diners cause too much noise. Curious George suggests the lobby of Building 7, which Hundley the Doorman's Dachshund appreciates, but carpets muffle the sounds. Curious George suggests the Zoo, but the lions roar too loudly. Curious George suggests the Railway Station, but it leaves not enough audience and is too big because of high ceilings. Curious George suggests to play under the Endless Park bridge, but the low ceiling makes too many echoes.
Well, Professor Wiseman prepares the Musueum of Science for "Marvels of the Maya" large archaeological exhibit, and then Professor Wiseman invites Marco and Curious George to perform at tonight's 7:00 PM opening. Here, Curious George and Marco discover drawbacks with carpeting, large rooms, food court, lions and echoes, which present similar problems as before. But under the T-Rex dinosaur exhibit, Lobos De Plata performs "Hooray for George."
So, with Mr. Glass in attendance, will he decide to rebuild a new band-stand at Endless Park, and will it be ready for Lobos De Plaza when Curious "George and Marco Sound It Out?"
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Next, in the Country, on the first spring day for Curious George, he and Bill the Country Neighbor Boy visit Renkins' farm, where Bill videotapes a search for baby ducklings to make a documentary for Bill's science project.
Well, Bill and Curious George search the Renkins' barn to discover a duck nest inside, with Dumpling Duck and her four eggs. So, Bill explains that ducks are hatched from eggs and not born, that is if Dumpling Duck keeps her eggs warm by nesting upon them.
Then, Bill's video camera's battery wears out, so he must leave to recharge it. Curious George argues with Dumpling Duck to stay upon her nest, but she takes a break and runs outdoors. So, if Dumpling Duck doesn't sit upon her eggs, then Curious George must sit upon nest to warm her eggs.
Now, Bill returns with the Man with the Yellow Hat, to ask why Curious George sits on eggs, and he explains that Dumpling Duck has taken a break. But then ducklings hatch before Bill and his video camera, so the Man in the Yellow Hat alerts Mr. and Mrs. Renkins to watch Curious George's hatching the White duckling, who thinks that Curious George is his mother.
And when Dumpling Duck returns to watch her remaining three tan ducklings hatch, the white duckling thinks that Curious George is its mother, and follows him around the barn, before the white duckling climbs up into the leg of Man with the Yellow Hat's trousers.
So, the Next morning, Bill and Curious George return to find the white duckling not trailing mother and three tan siblings So, now Curious George must teach the white duckling that Curious George is not its mother. After they walk to the stream, a whirlpool whisks the white duckling away from Dumpling Duck and her other three children. Then will Curious George, Bill and Dumpling Duck be able to save the day for "A Monkey's Duckling?"
