VIDEO: Sneak Peek - 'Yes' Season Finale of QUANTICO on ABC

On the Season Finale of ABC's QUANTICO titled "Yes", it's graduation day for the NATS of Quantico, while, in the future, Alex and her team find themselves head-to-head with the terrorist. The episode airs Sunday, May 15th on ABC. Get a sneak peek below!

About the show: A diverse group of recruits has arrived at the FBI QUANTICO Base for training. They are the best, the brightest and the most vetted, so it seems impossible that one of them is suspected of masterminding the biggest attack on New York City since 9/11.

"Quantico" stars Priyanka Chopra as Alex Parrish, Josh Hopkins as Liam O'Connor, Jake McLaughlin as Ryan Booth, Aunjanue Ellis as Miranda Shaw, Johanna Braddy as Shelby Wyatt, Tate Ellington as Simon Asher, Graham Rogers as Caleb Haas and Yasmine Al Massri as Nimah Amin.

"Quantico" was written by Joshua Safran. Executive producers are Joshua Safran, Mark Gordon, Nicholas Pepper, Jake Coburn and Robert Sertner. "Quantico" is produced by ABC Studios.