HBO released the trailer today for “If You’re Not in the Obit, Eat Breakfast,” a star-studded documentary about people who are thriving after the age of 90.

The movie comes from producer George Shapiro and director Danny Gold, and features Carl Reiner talking with show business veterans including Kirk Douglas, Mel Brooks, Betty White, Norman Lear and Dick Van Dyke — along with relative upstart Jerry Seinfeld.

Here’s the clip …