Jumping to Conclusions is the 25th episode in the series.

Plot synopsis

The results of Ann's mock exam for the Open University are disappointing so Martin offers to help her but is no good. Ann then gets Paul to help but they decide to keep it a secret from Martin. Unfortunately Hilda sees Ann climbing over Paul's fence and assumes that they are having an affair. Worse still she tells Martin, who decides to leave Ann. Fortunately Paul knows where to find him.