The Karate Kid is a 1984 American martial arts drama film written by Robert Mark Kamen and directed by John G. Avildsen. It is the first installment in the Karate Kid franchise, and stars Ralph Macchio, Pat Morita, Elisabeth Shue, and William Zabka. The Karate Kid follows the story of Daniel LaRusso (Macchio), an Italian-American teenager from New Jersey who moves with his widowed mother to the Reseda neighborhood of Los Angeles. There, LaRusso encounters harassment from his new bullies, one of whom is Johnny Lawrence (Zabka), the ex-boyfriend of LaRusso's love interest, Ali Mills (Shue). As a result, LaRusso is taught karate by a handyman and war veteran named Mr. Miyagi (Morita) to help LaRusso defend himself and compete in a karate tournament against his bullies.

John Guilbert Avildsen was an American film director. He is best known for directing Rocky (1976), which earned him the Academy Award for Best Director. He is also renowned for directing the first three films in The Karate Kid franchise (1984–1989). Other films he directed include Joe (1970), Save the Tiger (1973), The Formula (1980), Neighbors (1981), Lean on Me (1989), Rocky V (1990), 8 Seconds (1994), and Inferno (1999).