It was shot in,, and in Canada. Mil Gaya has received the, and was screened at the and the in Denmark. The film has garnered the Best Picture, Best Director (Rakesh Roshan) and Best Actor (Hrithik Roshan) awards in all major award ceremonies of 2003 including the,,, etc.
It spawned two sequels — and — making it the first of the trilogy. It also spawned a spin-off animation-cum-live-action series titled that aired on (India). The film's theme has parallels to both the 1982 Hollywood hit, and the 1960s story that E.T. Itself was said to have been inspired by,. Director Roshan has stated that Koi. Mil Gaya is 'not an Indian E.T.' The story of a boy coming in contact with an alien appears to parallel The Alien more closely than E.T.