An alternate pilot was released as a bonus episode on the season 1 DVD set. Although similar to the one which aired there are many differences. The narration is done by someone else (not mentioned in credits)

Season 2 DVD Extra

[This is an Extended Version of 01x10.] The Petersons, Kyle's real parents, arrive to take him home, but Kyle is skeptical about his biological ties, so he turns to Tom Foss for answers. Meanwhile, Steven has trouble accepting that Kyle may be leaving