It's kinda refreshing to watch something that's just a survey of a body of work, without many pretensions. This functions as a good primer and jumping off point, even if it doesn't deliver much in terms of new analysis or interrogation.
I hadn't seen anything from Keaton's early sound years, so that was interesting and depressing.
Funny collection of talking heads here. Enjoyed Knoxville's enthusiasm, and I would love to know how he and Bogdanavich got in touch.