Tonight is finally the night! The night of the premiere of The Flash on The CW. To whet your appetite, DC Entertainment has posted a new preview clip from the premiere episode, “City of Heroes.” The clip features Cisco Ramon (Carlos Valdes) showing Barry Allen (Grant Gustin) a suit that he designed that would help to protect Barry while using his super speed. Check it out below. The Flash is premiering tonight at 8pm ET/PT on The CW.