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The crew travels to the planet Albian in search of information on the location of the Federation computer system Star One. Avon defuses a bomb with the help of Del Grant, who had thought Avon deserted his sister.
First Air Date : Jan 02, 1978
Last Air date : Dec 21, 1981
Episode : 52 Episode
Season : 4 Season
Runtime: 50:14 minutes
Studio: BBC One
Country: