2.11 The Reverse-Flash Returns (The Flash 2014)

Plot Summary
While to clear his mind, Flash trains to get his speed while patrolling the city. Wells answers Cisco's question on how to control his powers with the power of fear. He frightens Cisco in the Time Vault with his Reverse Flash outfit. Cisco receives a vision of Reverse Flash. Wells explains how Thawne is still alive because he is a time remnant, before he time travel and met Barry's group.