Barry is thrilled when Oliver, Felicity and Diggle come to Central City to investigate a case involving a deadly boomerang. Meanwhile, Iris is furious when Eddie tries to get a task force to stop The Flash, Joe and Dr. Wells agree the Arrow is a bad ... (more)influence on Barry, and Caitlin and Cisco deal with a new team in S.T.A.R. Labs.

David Ramsey, Emily Bett Rickards, Patrick Sabongui, Stephen Amell