Overview: Ten years into the future, the former members of SG-1 must send a message into the past to prevent the extinction of the human race.
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First Air Date: Jul 27, 1997Last Air date: Jun 22, 2007Season: 10 SeasonEpisode: 214 EpisodeRuntime: 42 minutesQuality: HDIMDb: 8.26 / 10 by 1561 usersPopularity: 249.024Language: English