Ben joins the young Harpers for a pub quiz, which leads to some awkward questions being asked.
Ben's old friendship with a celebrity dentist causes problems, while Susan finds a new friendship at an Albanian airport.
Janey wants to keep her new man under wraps, while a suspicious Ben tries to expose an affair between Susan and a client.
Susan asks Ben to help an old girlfriend of hers through a divorce, but nearly precipitates her own.
Ben's uncle dies and his inheritance may not live up to his expectations, but another investment causes problems.
When Ben and Susan discover that Michael is seeing a therapist, they decide to try a bit of analysis themselves.
Susan decides to get another dog but, as ever, it is Ben who ends up in the doghouse.
An undercover assessor for Cavitex, posing as a patient, leads to Ben having to attend a retraining course.
Kenzo has a school project about his family. Susan tells Kenzo he can ask any questions he likes, but quietly warns the family that there are some things that must never be divulged!