For weeks, the cast of The CW's Arrow, The Flash, and Supergirl have been sharing some behind-the-scenes photos of the upcoming mashup event. It was enough to keep our excitement at bay for a little while, but, thankfully, we now also have a teaser video. Although, we definitely have more questions than answers after watching it. In the 20-second clip, we see Oliver Queen (Stephen Amell) waking up in a house looking all sorts of confused, and things get even weirder when he sees Iris West (Candice Patton) in the kitchen, and she lays a big old kiss on him (as a hardcore West-Allen shipper, that was rooouugh to witness). Oh, and she calls him Barry Allen. Yeah, we're puzzled, too, because that's definitely not Barry. So, what is the truth?!
We do have a few details on the premise of this season's crossover, titled Elseworlds. It will take place over the course of three days, from Dec. 9 to Dec. 11, and our favourite CW heroes — Oliver, Barry (Grant Gustin) and Supergirl (Melissa Benoist) — will travel to Gotham City where they will team up with Batwoman (Ruby Rose) to put a stop to an Arkham Asylum doctor who's up to no good. We're still not sure how that and the concept of Barry and Oliver switching lives are related, but maybe we'll get a few more clues before the crossover event takes place. Until then, watch the full, head-scratching teaser above.