This aired on the BBC, and was excellent.
I never got a chance to see the live stage show, which is a shame. Here’s a badly shot clip with terrible audio.
And you can seek out Alan’s Telegraph column if you like, as written by Marks & Gran.

I wrote another book about television. I like television. I like television so much that the first thing I modelled and printed on my new 3d printer was this … I made some more after that too. There’s a few more, including TVS, ATV, and HTV, but I bought you here to talk about my…
Keanu Reeves is 56. That makes him eight years older than Clive Dunn was when he was first cast in Dad’s Army. But don’t panic, Clive Dunn was always playing much older characters than his own age. Keanu Reeves is 56. That makes him seven years older than Stephanie Cole was when she was first…