Which 1982 film features a young boy named Elliott helping a stranded alien?

The 1982 film featuring Elliott helping a stranded alien is "E.T. the Extra-Terrestrial." Directed by Steven Spielberg and written by Melissa Mathison, the film follows ten-year-old Elliott, who discovers an extraterrestrial left behind on Earth.

Elliott gives the alien the name E.T. and hides him at home with help from his older brother Michael and younger sister Gertie. Their friendship becomes the emotional center of the story as E.T. tries to contact his own people while government agents search for him. The film combines science fiction, family drama, adventure, and fantasy.

The movie premiered at the Cannes Film Festival on May 26, 1982, and opened in the United States on June 11. It became a major box-office success, briefly surpassing "Star Wars" as the highest-grossing film ever. Its famous bicycle sequence, John Williams score, and theme of childhood friendship helped make it a modern film classic.