EPISODE
SEASON
Season 4 opens with SG-1 having to deal with a Replicator infestation on a Russian sub on Earth while Major Carter advises the Asgardians about combating the menace in their space; later SGC is contacted by an advanced and embattled alien human civilization seeking military assistance, but their exact reasons for it become increasingly suspect.
5 June 1976, Toronto, Ontario, Canada
9 February 1955, London, England, UK
31 July 1961, New Hampton, New Hampshire, USA
10 November 1972, Edmonton, Alberta, Canada
5 November 1971, Little Rock, Arkansas, USA
12 June 1922, Toronto, Ontario, Canada
30 March 1973
2 November 1945, Cincinnati, Ohio, USA
1964, London, England, UK
7 August 1942, Queens, New York City, New York, USA
8 December 1955, Penticton, British Columbia, Canada
24 March 1975, Puyallup, Washington, USA
5 March 1975, San Diego, California, USA
1 October 1979, Moncton, New Brunswick, Canada