Mrs Brown asks Maria's mother Hillary out for a meal to try and make peace with her before the birth of their grandchild, but the night is abruptly cut short when Maria suddenly goes into labour, causing a frantic race to get her to the hospital in time.
Agnes mistakenly thinks that the children are thinking of putting her into a care home.
After hearing comments about her weight, Agnes decides to try and get fit.
Maria and Dermot are using a robot baby to get in practice for their own child, and have to leave it with Agnes for a while, but she has a problem trying to get it to stop crying.
Agnes decides to throw a going-away party for son Trevor, who is leaving to do charity work in Africa.
Agnes and the family try to keep Grandad out of sight until they can collect the insurance money after his fake funeral.
Mrs Brown is looking forward to the return of her missionary son Trevor for the Christmas holidays, but Maria's mother's insistence that the newlyweds have Christmas dinner with her, causes Agnes to go overboard with the decorations.