How thick is wall?

(THE MONGDADDY Wibble jib-jib!, Sun 11 Jun 2023, 16:19, archived)

I had to look this up.
I like most of the comedians involved but I could never get into Peep Show. All that staring down the camera just irritated me.
( brb Monkhouse Stampede, Sun 11 Jun 2023, 17:24, archived)