20 Awesome DC TV Easter Eggs You Probably Missed
14. Queen Consolidated (Gotham)
Arrow and Gotham air on different networks, and in different time-periods, making a potential crossover highly unlikely to ever happen. Still, it's something that looked like it was being teased very early on in Gotham. The show had already introduced a villain who had appeared on Arrow, the Dollmaker (albeit a different version), when there was a quick Easter egg that seemed to directly hint at the existence of Oliver Queen in this world, with the Queen Consolidated logo appearing illuminated on the side of a building.
Naturally there was some excitement for those who managed to spot it, but that was actually shut-down fairly swiftly, with Gotham producer Danny Cannon saying "it was completely unintentional."