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Joe and Frank Hardy go to London to find their missing father, but when Frank goes missing as well, Joe and an agent from the British Ministry must find a traitor together.
Første luftdato : Jan 30, 1977
Sidste luftdato : Jan 14, 1979
Episode : 46 Episode
Sæson : 3 Sæson
Kørselstid: 60 minutter
Studio: ABC
Land:
Cast: Shaun Cassidy, Parker Stevenson