The Strain Episode 5: Runaways

A new episode of The Strain, titled "Runaways," airs tonight on FX.

In "Runaways," with Nora gone, Eph reluctantly joins Setrakian's quest in hopes of gathering enough evidence to warrant a citywide quarantine. Fet encounters the unexpected inside the subway tunnels, and a medical emergency threatens Palmer's master plan.

FX has released several preview images and a sneak peek video, included below:

"Runaways" is written by Gennifer Hutchison and directed by Peter Weller.

The Strain, "Runaways," airs Sunday, August 10 at 10 p.m. ET/PT on FX.