Who’s the Fastest Person Alive? Supergirl and Flash Race in New Promo!

Who’s the fastest person alive? Supergirl and Flash race in a new promo

CBS has released another new promo for the Supergirl crossover with The Flash, which sees the two heroes getting set for their race. Who is the fastest person alive? Check it out in the player below and tell us who you think will win in the comments!

Episode 18 of Supergirl is appropriately titled “World’s Finest” and is officially described as follows:

“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.”

Melissa Benoist leads the cast of Supergirl as the title character alongside Mehcad Brooks as James Olsen, Laura Benanti as Alura Zor-El, Calista Flockhart as Cat Grant, Chyler Leigh as Alexandra “Alex” Danvers, Jeremy Jordan as Winslow “Winn” Schott, Jenna Dewan Tatum as Lucy Lane (sister of Lois), David Harewood as Hank Henshaw, Peter Facinelli as Maxwell Lord, with Dean Cain and Helen Slater.

The Flash and Supergirl crossover is set to air Monday March 28 at 8 PM ET on CBS. If you missed an episode of Supergirl, or just need a refresher, be sure to check out our weekly recaps by clicking here and read our recaps of The Flash by clicking here.