Supernatural season 15 ended with Dean Winchester (Jensen Ackles ... While Death should not be the main villain of season 16, having him join the cast for some important moments as a secondary ...

Major character deaths came thick and fast throughout Supernatural's 15 seasons ... in season 10, by which point Julian Richings' Death had evolved into a popular recurring Supernatural cast ...

While Supernatural season 16 has yet to receive official confirmation, the series remains one of the CW network's most enduring projects.