"Gorilla City" is a two-part story arc across the thirteenth and fourteenth episodes of the third season of the American television series The Flash, based on the DC Comics character Barry Allen / Flash. A costumed superhero crime-fighter with the power to move at superhuman speeds, Barry is a crime-scene investigator who gains superhuman speed which he uses to fight criminals, including others who also have superhuman abilities. The series is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow. The storyline began on February 21, 2017 with "Attack on Gorilla City", and concluded on February 28 with "Attack on Central City". The first episode was written by Aaron Helbing and David Kob from a story by Andrew Kreisberg, and t