George Carlin celebrates 40 years of comedy and here, he presents 2 new standup bits, comedian Jon Stewart gives an interview with him, and we look at his old comedy work through the last 4 decades.

George Carlin: 40 Years of Comedy is comedian George Carlin's tenth HBO special. It was broadcast live from the Wheeler Theater in Aspen, Colorado, as part of the US Comedy Arts Festival. Unlike Carlin's other stand-up specials, this contains only 27 minutes of stand-up performance. The rest is a retrospective celebrating Carlin's 40th anniversary in entertainment with clips of his television appearances and an interview with the host Jon Stewart. Some of Carlin's material was repeated in his next special, You Are All Diseased.