Gorilla Warfare

"Gorilla Warfare" is the upcoming seventh episode of the second season of The Flash and the thirtieth episode overall. It will air on November 17, 2015.

Synopsis
Grodd returns to Central City and kidnaps Caitlin. Barry and team race to find her before it’s too late. Meanwhile, Cisco plans his first date with the new barista at Jitters, Kendra Saunders. Patty begins to suspect Barry is hiding something from her.

Trivia

 * The episode's title is a pun on "guerrilla warfare".