"Moscow on the Hudson" is a 1984 film directed by Paul Mazursky. The story follows a Russian circus musician named Vladimir Ivanoff, played by Robin Williams, who defects to the United States while on tour in New York City. The film explores his struggles to adapt to American life and the cultural differences he encounters. The title refers to the contrast between Moscow, the capital of the Soviet Union, and the vibrant, diverse atmosphere of New York City. The film addresses themes of freedom, identity, and the immigrant experience, highlighting both the challenges and opportunities faced by those seeking a new life in America.