[VIDEO] Kat and Matt Gear Up To Fight! Check out some great behind the scenes footage from episode five of Katherine McNamara and Matthew Daddario's fight scene in the Weapons room of the Institute! The pair first had to gear up before getting down to business. Facebook Twitter Watch Again Watch Episode Soon enough, they had choreographed their fight to absolute perfection! Facebook Twitter Watch Again Watch Episode Impressed with our actors' skills? Stay tuned for plenty more behind the scenes videos throughout the season!