In its final season, Arrow set the stage for a spinoff series titled Green Arrow & the Canaries. Here's why The CW ultimately cancelled its plans for the show.

The biggest stories of the day delivered to your inbox.

The Flash 133 episodes Barry asks the Green Arrow for help when aliens attack Central City, but when they realise that won't be enough, they bring the Legends and Supergirl in on the battle.

including The Flash, DC’s Legends of Tomorrow, and Supergirl. “Because the entity of Oliver Queen character and the mythos and the iconography of Green Arrow has always been something that’s ...