Stephen Fry: 50 Not Out was a one-off, one-hour documentary/biography about Stephen Fry released in 2007 by the BBC, celebrating Stephen Fry's fiftieth birthday.
Stephen Fry: 50 Not Out Trailer
Is Stephen Fry: 50 Not Out on HBO Max?
Unfortunately the movie Stephen Fry: 50 Not Out is not yet available on HBO Max.