Watch: Knives save the world in this Call of Duty supercut

That old adage gets it wrong: you should always bring a knife to a gunfight. You'd think that pointy melee weapons could never beat out the stopping power of a trusty firearm, but whenever the Call of Duty series thrusts you into a climactic, slow-mo finale, the fate of the free world often rests on some clutch use of your trusty cutter. From machetes to hunting knives, check out the above video to see all the times a sharp blade saved the day when a bullet wouldn't get the job done.