According to Ms Jay Hunt, the new Controller of BBC1, there were no “pre-watershed slots” available to transmit the show. About 2 years later she left the BBC following an employment Tribunal that upheld complaints from a TV presenter...
Thanks @captain clutterbuck, I don't think I've seen that sketch before, however I'm sure they did that skit in the live show from The Hollywood Bowl which I have seen !
I always recall this episode as there is no way Truly could have a mortgage at his age with a mainstream lender such as the Building Society Barry worked for !
I know I need to get out more :D