Season: 5

Original Airdate: July 20, 2001

Writer(s): Joseph Mallozzi & Paul Mullie

Director(s): Peter DeLuise

Guest Stars
Dion Johnstone as Lieutenant Tyler
Gary Jones as Sergeant Davis
John de Lancie as Colonel Frank Simmons
Teryl Rothery as Dr. Fraiser
Karen van Blankenstein as Nurse
Brad Kelly as Jaffa
Shawn Stewart as Jaffa
Dario DeIaco as Jaffa

Synopsis: O’Neill stays behind on an alien world to tend to the wounded Lt. Tyler, the latest member of SG-1. But when the rest of the team returns to the command center, they discover that Lt. Tyler doesn’t exist! Will this latest case of alien mind games close SGC down for good?

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