Season 4

The fourth season of The Protector was released on July 9, 2020 by Netflix.

Netflix confirmed that Season 4 will be the final season of The Protector.

Summary
The Immortals succeed in making most of Istanbul's population into Immortals, through the use of the virus vaccine distributed in Season 3, including turning Zeynep and Aylin from Loyal Ones into Faysal's partners-in-crime.

Hakun travels back in time using the key (and appears as Harun) and attempts to change the future by changing the past.