The rich world of Gotham was full of twists, betrayals, and iconic character arcs, but some major DC storylines were planned and never made it to screen. Gotham proffered a thrilling glimpse into James Gordon’s early days in the Gotham City Police Department, offering origin stories for several classic characters and narratives from the DCU timeline. However, there were several planned storylines that were dropped from the show, despite being planned or pitched.

https://screenrant.com/gotham-dc-storylines-almost-happened-list/