1/6 De Warenne faces an enquiry into the Crusades, while Charlotte looks for meaning in life.
6/6 Ed's cat Elgar finds fame when his blog becomes an internet hit.
2/4 Our heroes decide to act on dangerous driving in the town, starting with colleague Jermain
2/6 As Carolyn and Martin row with a taxi and a bee, Douglas and Arthur play with an airport.
3/6 The crew of MJN Air have to face a real live king and a mythical fax machine.
3/6 With everything German under suspicion, the codebreakers tackle censoring letters.
3/6 Vera is consumed with jealousy because of the literary success of her friend Ginny Fox.
3/4 As the waters of change rise, Dave is reunited with a badly-behaved childhood 'sweetheart'
2/6 It's Valentine's Day, with revelations and unwanted flowers all round.
4/4 Hardeep Singh Kohli meets Iain and Alison, who tell a remarkable story of abandonment.