Following on the game-changing finale of the first season, The Flash's second season will play out the ramifications of Barry Allen running into a black hole at super-speed, and pick up on threads like the emergence of Earth-2, time-travel and the creation fo the Legends of Tomorrow.
You can check it out below.
Episode one of season 2 will be titled, "The Man Who Saved Central City." Did Barry Allen save the city or was it another meta-human? The Flash returns on The CW in October.