Derek upsets Mavis by refusing to attend Rita's wedding. Lisa is amazed that Jeff Horton gave her £500 to buy a dress. Andy and Paula sit their General Studies exam. Andy walks out of the exam as he can't answer any of the questions. Ken urges him to return to the exam - for Paula's sake as she won't be able to concentrate on her paper. Derek is put-out when Mavis refuses to allow him any responsibility at The Kabin. Andy returns to the exam for Paula's sake. Martin takes fellow student Tony Stephenson to No.8 to meet the family. Gail is put-out as she has a romantic evening planned. Vera talks Curly into being Terry's best man although he isn't keen. Tony's youthfulness gets to Gail. Martin tells her that he's the same age as him. (thetvdb.com)