Jack is determined to finish his Christmas shopping in one visit and tortures a wallet salesman with constant changes to his order. Meanwhile, Dennis is having difficulty finding the right present for his mother.
After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super speed. Teaming up with S.T.A.R. Labs, Barry takes on the persona of The Flash, the Fastest Man Alive, to protect his city.
