Jay Garrick (Teddy Sears) arrives in Central City to warn Team Flash of the singularity's ramifications in the latest trailer for "The Flash" season two, while Atom Smasher (Adam Copeland) seizes the opportunity to wreak some havoc.

Starring Grant Gustin, Carlos Valdes and Jesse L. Martin, "The Flash" returns to The CW on Oct. 6 on at 8 p.m. EST.