Based on the blockbuster film, Showtime's "StarGate SG-1" series starring Richard Dean Anderson has been picked up by Fox for a Fall 1998 premiere with a two-year commitment. Colonel Jack O'Neill lives in retirement, one year after his interplanetary expedition to Abydos. But when a hostile force of aliens resembling the late Ra and his Chulakins invades Earth through the StarGate and eliminate this new threat. Back in Abydos, O'Neill is reunited with Egyptologist Daniel Jackson to help the team determine from which world through the StarGate this new danger originated.