For a while now, there have been rumblings about filmmaker and comedian Judd Apatow developing a documentary film about his friend, the late, and truly great Garry Shandling — comedian, TV pioneer, and yes, serious Zen Buddhist. Now, I’m happy to report, we can say the film is a reality. Per Apatow via Instagram three days ago: “Just completed the documentary The Zen Diaries of Garry Shandling for @hbo. Coming in March. Two parts.