The Flash "Central City Strong" Preview Released The CW has released a preview for "Central City Strong", the upcoming fourth episode of The Flash's seventh season. With the series seemingly closing out Eva McCulloch's (Efrat Dor) story in this week's "Mother", the series shifts gears to different threats including the return of David Dastmalchian's Abra Kadabra. The magical villain was first seen on The Flash in Season 3, and now he's back and from the looks of things, he's ready to make Central City simply disappear. You can check out the preview and the episode synopsis below. " ABRA KADABRA RETURNS – The Flash (Grant Gustin) must deal with Abra Kadabra’s (guest star David Dastmalchian) sudden return to Central City. The villain is back with a vengeance and a score to settle. Meanwhile, Allegra (Kayla Compton) deals with a tricky situation and Caitlin (Danielle Panabaker) suspects something is off with Frost. Iris (Candice Patton) is forced to look at a dark moment in her past. Jeff Byrd directed the episode with story by Kristen Kim and teleplay by Joshua V. Gilbert & Jeff Hersh."