Black Orchid: Part One
Last updated 04 December 2014
Part OneSeries Episode Number: 570
First Broadcast: Mon 1 Mar 1982 - 06:56:48pm GMT on BBC One
Running Time: 24 minutes 56 seconds
Chart Position: 57
A murder is committed in Cranleigh Hall. The Cranleighs ask the Doctor to play cricket and then join them for a masked ball, enabling the killer to hide in plain sight.