George Carlin’s evolution from family-friendly comedian to maverick to renegade to cantankerous hoot continues this Saturday, March 1, when his 14th HBO special airs live at 10 p.m. Eastern, broadcast from Santa Rosa, Calif. (at the same time, Louis CK is taping his upcoming special in Boston…discuss). Here’s the HBO ad:

Related: Carlin gave a recent interview to the AP chronicling his mood shift.