The Flash 2×18 “Versus Zoom” – Equipped with the tachyon device, Barry (Grant Gustin) believes he is fast enough to stop Zoom (guest star Teddy Sears) and wants to open the breaches to catch him. Harry (Tom Cavanagh) strongly advises against that plan but after Barry convinces him, Harry reveals that Cisco (Carlos Valdes) has the power to re-open the breach. Meanwhile, Hunter Zoloman’s (Teddy Sears) painful story on Earth-2 is revealed. Stefan Pleszcynski directed the episode written by Joe Peracchio & David Kob (#218). Original airdate 4/19/2016.