by Jeremy Lloyd and David Croft
Starring Mollie Sugden as Mrs Slocombe, John Inman as Mr Humphries
co-starring Frank Thornton as Captain Peacock
featuring Wendy Richard as Miss Brahms, Nicholas Smith as Mr Rumbold, Mike Berry as Mr Spooner and Arthur English as Mr Harman

It's stock-taking time at Grace Bros and the staff are working late. What they don't know is that they are not alone: there are two uninvited guests in the building.

(R)
(Ceefax subtitles)