Cyd and Shelby Strike Back (Part 1)
S01E11 - Airdate: 2015-11-27
Runtime: 30 min
The girls go back in time to stop GDD CEO Janet Smythe from starting the corporation, when they learn she is behind the future lab. But their plan prevents other major events from happening in their lives, including them living together, and Barry and Marci falling for each other.
Episode details and rating from TVmaze.