Are you ready for a return!?

Yaaaaay - look what's coming back in just under two months! I bet time will fly fast!

The second-season premiere, "Four Months Later," is set to air on Monday, Sept. 24 at 9 p.m.




And here's a little teaser about two new characters, along with a photo:

"NBC has released the first image of two new cast members from "Four Months Later," the second-season premiere scheduled for Monday, Sept 24.

Shown are Dania Ramirez as Maya and Shalim Ortiz as Alejandro. Ramirez played Callisto in X-Men: The Last Stand."