John Diggle arrives in Central City with a weapon to help Barry stop the Godspeed War. Meanwhile, Allegra and Ultraviolet's new bond is put to the ultimate test, while Joe and Kristin Kramer are hunted by a former colleague of hers.

Starring:

Grant Gustin, Candice Patton, Carlos Valdes, Danielle Panabaker, Tom Cavanagh, Jessica Parker Kennedy, Danielle Nicolet, Jesse L. Martin, Hartley Sawyer

Genre:

Action, Adventure, Drama