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Gary and Dorothy are determined to try for a baby; however Gary has a slight impotence problem so collects a heavy collection of pornography to solve the issue.

Gary attends a conference in Worthing, and Dorothy, Deborah and Tony tag along for the trip; Tony and Gary make the local headlines by stealing a large ornamental fish, and Gary falls in love - and not with Dorothy.

In the final episode, Tony takes up his new job as a postman; however Deborah believes he's become boring as a result. Meanwhile Gary gets heavily drunk to break the news to George and Anthea the office is closing down; and Dorothy goes into labour, but with a drunken Gary and Tony (who’s now back to his old ways) and an unconscious midwife, events descend into disaster.