THE FLASH: "I KNOW WHO YOU ARE"

The CW has released images, details and a trailer from "I Know Who You Are," the episode of The Flash premiering on Tuesday, May 2.

For a trailer from the episode, CLICK HERE.

Here's how the episode is described:

"Barry (Grant Gustin) and the team meet Tracy Brand (guest-star Anne Dudek), a scientist, who may be the key to stopping Savitar. Unfortunately, Killer Frost (Danielle Panabaker) is also after Tracy so Team Flash must battle their old friend, which proves to be particularly difficult for Cisco (Carlos Valdes). Joe (Jesse L. Martin) and Cecile's (guest-star Danielle Nicolet) relationship takes a big turn."

Hanelle Culpepper directed the episode, written by Bronwen Clark and Joshua V. Gilbert.

Click on the thumbnails for larger images.