For what's felt like forever, fans of The CW's Supergirl and The Flash have been looking forward to seeing the worlds of these two DC heroes collide. On March 28, Grant Gustin (Barry Allen) will join Melissa Benoist (Kara Danvers) and the cast of Supergirl for an episode that is sure to get our hearts racing.
In the crossover episode, titled "World's Finest," Barry Allen mysteriously appears in this alternate universe and teams up with Kara to fight Silver Banshee (Italia Ricci) and Livewire (Brit Morgan), while also looking for a way home.
Check out the first official teaser trailer for The Flash and Supergirl's highly anticipated crossover episode below:
It's short, but boy is it sweet.
The new 'Supergirl' episode "World's Finest" will air on March 28.
Are you excited to finally see The Flash and Supergirl collide?