The Strain Episode 2: The Box

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

In "The Box," The four survivors begin manifesting strange symptoms, but Eph and Nora's attempt to quarantine them is thwarted as the disinformation campaign begins. Meanwhile, in jail, Setrakian receives a surprise visit from an old - a very old - acquaintance.

"The Box" is written by David Weddle & Bradley Thompson and directed by David Semel.

The Strain, "The Box," airs Sunday, July 20 at 10 p.m. ET on FX.