Well-known acts satirise forgotten shows

Morecambe and Wise do Man From Uncle: https://www.youtube.com/watch?v=9Ma5i4Q6TGk

Two Ronnies do Colditz: https://www.youtube.com/watch?v=kminnEuxRpA.

Anyone find any more? Ask The Family is probably a bit too obvious...

The Office.

Does anyone remember the programmes it was mocking?

Didn't Ricky say he was inspired by that airport show with Jeremy something?

I didn't say it was. Merely threw it up as an example.

Didn't French and Saunders pretty much make a career out of this?

Well, one sketch on each of their hour long specials, yes...

The House of Eliot one was good as I recall

The Smell of Reeves and Mortimer - Noel's Addicts. https://www.youtube.com/watch?v=-V-pjC9eAI4