Episode 77 of "Stargate-SG1"
s04e11 Point Of No Return
Title: Point Of No Return
Original Air Date: 09/08/2000 on Syndication
Director: Bill Gereghty
Writer: Paul Mullie, Joseph Mallozzi
Plot Outline:
Martin Lloyd, a conspiracy nutjob, calls up the SGC but has accurate knowledge of the Stargate. Martin claims to own a spaceship and is dismissed as a crackpot, but a serious of incidents suggest that there may be more to his claims.