"Koi Mil Gaya" is a 2003 Indian science fiction film directed by Rakesh Roshan. The story revolves around a developmentally challenged young man named Rohit, who discovers an alien named Jadoo after a series of events involving a computer created by his late father. The film explores themes of friendship, love, and acceptance. The film features Hrithik Roshan as Rohit and Preity Zinta as his love interest, Sonia. "Koi Mil Gaya" was well-received for its special effects and engaging storyline, leading to a successful franchise that includes sequels like "Krrish" and "Krrish 3."