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SG-1 tracks down Catherine Langford's fiancee, who took the first Stargate trip in 1945, and discovers an ancient meeting hall that may hold the secrets of the universe itself.
Ben Browder
Cameron Mitchell
Amanda Tapping
Samantha Carter
Christopher Judge
Teal'c
Michael Shanks
Daniel Jackson
Claudia Black
Vala Mal Doran
Beau Bridges
Hank Landry