If you don't mind individual collections I see those form time to time... I know I saw Dana Carvey and Will Ferrel lately.
I never even heard about the Roast of Dana Carvey and Will Ferrel...are you sure about that?
If so, surely not on Comedy Central, right?
Sorry I am mistaken. I misread and thought you meant one of those SNL collection series they have (for some reason).