When Did You Last See Your Father? is the 261st episode of The Bill.
WPC Marshall and PC Hollis investigate an RTA involving a coachload of school children. The driver had been to an all-night party before he started work. One of the children recognises his dad on a wanted poster. DC Dashwood investigates a sighting of a large animal, possibly a dog, who killed a cat. Dashwood talks to an animal fancier about his panther.
Billy Murray, who plays DI Jackman, would later join the cast as DS Don Beech.