Perry Mason - Cancelled by HBO After 2 Seasons

Perry Mason has tried his last case — at least for now. HBO has opted not to renew the prequel to the classic series, starring Matthew Rhys and executive produced by Team Downey’s Robert Downey Jr. and Susan Downey, for a third season. The news comes a month and a half after the Season 2 finale debuted April 24.

Source:

Deadline