The season was ordered in May 2017, and production began the following month. Ben McKenzie stars as Gordon, alongside Donal Logue, David Mazouz, Morena Baccarin, Sean Pertwee, Robin Lord Taylor, Erin Richards, Camren Bicondova, Cory Michael Smith, Jessica Lucas, Chris Chalk, Drew Powell, Crystal Reed and Alexander Siddig. The fourth season premiered on September 21, 2017, on Fox, while the second half premiered on March 1, 2018. The season concluded on May 17, 2018.
when does season 4 of gotham come out
September 21, 2017