A Dark Knight: Pax Penguina

"A Dark Knight: Pax Penguina" is the first episode of the fourth season of Gotham. It will air on September 21, 2017.

Synopsis
Gordon fears Jonathan Crane is still alive and back in Gotham, when The Scarecrow’s signature MO is used in a series of robberies. Meanwhile, Penguin's “licensing” of crime in the city backfires during the grand opening of his new Iceberg Lounge. Also, in the aftermath of his encounter with Ra's al Ghul, Bruce begins his vigilante watch.