4. Festivities (1976)

When Peter sets Sarah up in a flat, she feels less comfortable than she envisaged, despite boyfriend Geoff departing for Frankfurt. Gavin is surprised but amused to deduce that Peter and Sarah used his and Prue's flat for a daytime tryst. On informing Prue, her reaction causes tension and pain for everyone, including herself...

Release date: 1976-01-28