The fire in the circus scared the elephant Chandu, and he ran away. Soon, the forester's son Egor discovers Chandu, exhausted and wounded by poachers, and nurses him back to health. It's hard for him to break up with his new friend now...

The adventures of the little monkey Nuki, who was brought from Italy as a gift to a fat, spoiled boy. Having escaped from an unpleasant house, the monkey gets to a kind girl. But then it turns out that Nuka has been stolen, and her real mistress is a little sick girl suffering from the loss of her pet.

Anthony van Leeuwenhoek, a Dutch naturalist of the 18th century, the founder of scientific microscopy, makes a lens in his workshop. He is visited by an English scientist, a member of the Royal Society of London. Leeuwenhoek shows the scientist his "microscope". A scientist examines a flea, mold on bread, and other objects through a "microscope." He recommends that Leeuwenhoek write about his inve...

About the life and work of Soviet writers Ilya Ilf and Evgeny Petrov.

About self-taught inventor Anatoly Georgievich Ufimtsev, his work on the use of wind energy.

Based on the short story of the same name by science fiction writer Stanisław Lem.