It's the team-up Arrow fans have been talking about for a while now:
The Birds of Prey!
It all kicks off on Arrow Season 7 Episode 18, appropriately titled "Lost Canary," and the first look photos look awesome.
The episode will, once again, take place in two time-periods, and will have some special appearances.
Have a look at all the photos below, and be sure to watch the episode on Monday, April 15.
Remember you can watch Arrow online righ there via TV Fanatic.