Caitlin Snow, Hannibal Bates/Everyman, and Caitlin Snow/Killer Frost Candice Patton as Iris West and Hannibal Bates/Everyman.Grant Gustin as Barry Allen/The Streak/The Flash and Hannibal Bates/Everyman.For now, only a few close friends and associates know that Barry is literally the fastest man alive, but it won't be long before the world learns what Barry Allen has become, The Flash. Barry now has a renewed purpose - using his gift of speed to protect the innocent, while never giving up on his quest to solve his mother's murder and clear his father's name.

In the months since the accident, the city has seen a sharp increase in missing people, unexplained deaths and other strange phenomena. Though initially excited by his newfound powers, Barry is shocked to discover he is not the only ' meta-human' who was created in the wake of the accelerator explosion - and not everyone is using their new powers for good. After nine months in a coma, Barry awakens to find his life has changed once again - the accident has given him the power of super speed, granting him the ability to move through Central City like an unseen guardian angel. However, something goes horribly wrong during the public unveiling, and when the devastating explosion causes a freak storm, many lives are lost and Barry is struck by lightning. Labs team, who claim that this invention will bring about unimaginable advancements in power and medicine. Barry's latest obsession is a cutting edge particle accelerator, created by visionary physicist Harrison Wells and his S.T.A.R.

Now, over 14 years later, Barry has become a brilliant, driven and endearingly geeky CSI investigator, whose determination to uncover the truth about his mother's strange death leads him to follow up on every unexplained urban legend and scientific advancement that comes along. With his life changed forever by the tragedy, Barry was taken in and raised by Detective Joe West, the father of Barry's best friend, Iris. Synopsis Barry Allen was 11 years old when his mother was killed in a bizarre and terrifying incident and his father was falsely convicted of the murder.

The flash season 4 episode 11 trailer