In which two series did father and son Patrick and David Troughton each play a doctor? Another actor was common to both programmes: who was he? If you're a telly addict, too, join Noel Edmonds and two more competing families.

What year brought to our screens a murderous pope, a Jersey detective, a left-wing university lecturer and a star teddy bear called Aloysius? If you're a telly addict, too, join Noel Edmonds and two more competing families.