Timothy is under no illusions about the seriousness of getting married but his new responsibilities are even more than he bargained for.
Everything is on course for their wedding until Judy starts to be curious about Timothy's expansive knowledge of women.
Has Timothy really accepted that Judy has three children or is he just looking beyond them to the wedding day? After all, when he and Judy are on their honeymoon what are they going to be doing?
Timothy meets Judy's mother-in-law and finds himself being unfavourably compared to her heroic late husband.
Having weathered a fairly stormy courtship, Timothy and Judy must now decide on where they will live once they are married. For a start, his place is too small and her place holds too many memories - not least, the old marital bed!
The wedding day approaches and Timothy and Judy can not agree about the vows - especially the part that says "In sickness and in health"...
When one of the children misbehaves, Timothy is faced with his first real test as head of the household. But thinking of suitable punishments for children is not one of his core skills...
With so many people in the house and only one bathroom, Timothy is finding it difficult to cope. Meanwhile, Dennis's wife is not happy and wants to remarry.
When his stepson Charles finds out about the birds and the bees, Timothy realises the true extent of what being a stepfather is all about!
Timothy tries to help Dennis get back with his estranged wife, Louise, by persuading him to buy her a seductive nightie. But their shopping expedition leaves them with more than they bargained for...
Bagley's Beans are looking for an advertising jingle and are offering a fortune. Bagley wants to meet Timothy and Dennis and insists they bring their wives but, as Dennis is temporarily embarrassed on that front, Timothy enlists an ex-girlfriend - who rather overplays her role!
When Timothy enters Judy's German Shepherd dog Rusty into a dog show, he is hoping to prove that a dog really is a man's best friend. But the other old adage is true as well when "you can't teach an old dog new tricks" comes dramatically true.