 Reg Varney (qv) wouldnt sit out his part all the way. He left the  series in the final season, after episode 69 (entitled "Goodbye  Stan"). So Varney wasnt in the last six episodes of this series.  His absence was explained by Stan moving to the Midlands, to work in  a bus making factory. Inspector Blakey moved into the Butler  household as a lodger, so he promoted from a bit