In the animal kingdom, covert assassins evolved. Lurking in the shadows, ready to pounce at lighting speeds, they search for their next meals. They fight for survival, battling foes. They are animal ninjas and possess the skills to kill: speed, stealth, agility, patience and weapons. In the next hour, the world's deadliest animals will use their jaw-dropping talents to fight to live another day. From stealthy cats to patient seals, giant centipedes to kick-boxing kangaroos, these animals will amaze us on World's Deadliest: Animal Ninja Warriors.