Let’s not waste any time. Here it is:
The teaser trailer doesn’t show much, but it is just enough to wet the appetite for what CBS is calling a “Superhero Event.” This teaser comes not long after the release of an amazing promo poster, which can be seen below:
For more details, be sure to check out the official synopsis below:
Kara gains a new ally when the lightning-fast superhero The Flash (Grant Gustin) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.
The Supergirl episode “Worlds Finest” will air Monday, March 28, 2016 at 8:00pm EST on CBS.