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In order to pay for a treat for Barbara, Tom takes a short contract from his old firm, and tries to keep it a secret from her - but his plan is foiled when he fails to account for Margo's nosiness.
First Air Date : Apr 04, 1975
Last Air date : May 22, 1977
Episode : 28 Episode
Season : 4 Season
Runtime: 30:14 minutes
Studio: BBC One
Country: United Kingdom