Not answering your question, but I have to say I was not impressed with the Dads Army episode "Branded".
The show seemed a litle "forced" and the set up, leaving Godfrey and Mainwaring at the end so Godfrey could rescue him, just seemed too set up.
Some Dad's army episode just seem to flow, but this one did not.
Sorry to be a bit "deep" but I have watched and studied comedy all my life and try to understand what makes some shows work and others not.
In Fawtly Towers for example. the episode of the dead body really works well because the fact that someone died in his hotel was not Basil's fault, and you feel for him trying to get rid of the body.
But the one where it is Basil and Sybil's wedding anniversary, but Sybil walks out, just does not work very well.
Instead of just saying to his friends that he and Sybil have had a tiff he dresses Polly up as Sybil and the rest of the show is a little "forced".
Just my few pence worth.