A crossover episode with “Arrow” begins with Vandal Savage attacking Kendra and Cisco. Barry then takes Kendra to Star City and asks Oliver to hide her until he can stop Vandal. But Hawkman, a man with wings, shows up and flies off with Kendra. Meanwhile, Harrison develops a serum to make Barry run faster and asks Jay to test it.
After nine months in a coma, Barry Allen awakens to find his life has changed—an accident has given him the power of super speed. Thrilled with his new powers, Barry learns how to control them with the help of Dr. Wells and his team. However, keeping his secret from his best friend Iris is proving to be harder than he thought, especially when Joe’s new partner, Eddie Thawne, catches her eye. When another meta-human attacks the city, it’s time to put Barry’s new powers, and himself, to the test.
The Flash season 2, episode 8 airs Dec. 1 at 8 p.m. EDT on The CW.