Despite a little tension between the two, Barry Allen and Oliver Queen display some amazing teamwork to take down Hawkman (Falk Hentschel) in a new clip from "Legends of Today," the latest episode of "The Flash." The episode is the first part in a two-episode crossover between "Arrow" and "The Flash."

Starring Grant Gustin, Carlos Valdes and Jesse L. Martin, "The Flash" airs Tuesdays at 8 pm EST on The CW. Starring Stephen Amell, David Ramsey and Emily Bett Rickards, "Arrow" airs Wednesdays at 8 pm EST on The CW. The crossover event airs Tuesday, December 1 and Wednesday, December 2.