Original Air Date	January 22, 1999
Guest Stars	Teryl Rothery as Dr. Fraiser Dan Shea as Sergeant Siler Tobias Mehler as Lieutenant Graham Simmons David Adams as Expert
Directed By	David Warry-Smith
Written By	Robert C. Cooper
Synopsis	Daniel discovers coordinates to a planet that represents one of the four races they'd learned about on Ernest's planet, and the team decides to go there and check it out. While they are there, they find an alien device on the wall. O'Neill curiously looks into it and his brain is implanted with the knowledge of the original gate builders. Outstanding acting by Richard Dean Anderson!