Have you ever watched a DVD with the commentary on?

[stereotypical]

Ive watched the Godfather 1 and 2 with commentary, obviously not the whole film like just bits.

 

[QueenOfGoths]

Yes - quite a few

Paul Verhoeven's commentaries are rather good. He is really quite mad but then will come out with something fascinating and apposite about being a child in Amsterdam during the Nazi occupation or something