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Leonid Gaidai's most popular films are available in DVD format. Gaidai was a Soviet film director, screenwriter, and actor. He is best known for his comedies, such as "The Diamond Arm" (1968), "Ivan Vasilievich: Back to the Future" (1973), and "The Twelve Chairs" (1976). Gaidai's films are often characterized by their slapstick humor, absurdist situations, and satirical tone.