<Tr> <Td_colspan="2"> List of Gotham episodes </Td> </Tr> <P> The fourth season of the American television series Gotham, based on characters from DC Comics related to the Batman franchise, revolves around the characters of James Gordon and Bruce Wayne . The season is produced by Primrose Hill Productions, DC Entertainment, and Warner Bros. Television, with Bruno Heller, Danny Cannon, and John Stephens serving as executive producers . The season was inspired and adapted elements from the comic book storylines of Batman: Year One, Batman: The Long Halloween, and Batman: No Man's Land . The subtitle for the season is A Dark Knight . </P> <P> 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 . </P> <Ul> <Li> Ben McKenzie as James Gordon </Li> <Li> Donal Logue as Harvey Bullock </Li> <Li> David Mazouz as Bruce Wayne </Li> <Li> Morena Baccarin as Leslie "Lee" Thompkins </Li> <Li> Sean Pertwee as Alfred Pennyworth </Li> <Li> Robin Lord Taylor as Oswald Cobblepot / Penguin </Li> <Li> Erin Richards as Barbara Kean </Li> <Li> Camren Bicondova as Selina Kyle </Li> <Li> Cory Michael Smith as Edward Nygma / The Riddler </Li> <Li> Jessica Lucas as Tabitha Galavan / The Tigress </Li> <Li> Chris Chalk as Lucius Fox </Li> <Li> Drew Powell as Butch Gilzean / Cyrus Gold / Solomon Grundy </Li> <Li> Crystal Reed as Sofia Falcone </Li> <Li> Alexander Siddig as Ra's al Ghul </Li> </Ul>

When does the second half of gotham start