Get ready for more sick holiday-themed humor with the newest Christmas special from Robot Chicken! Join the Nerd as he searches the North Pole for his true father, Santa Claus. The Robot Chicken Christmas Special: X-Mas United airs this Sunday at Midnight (ET/PT) on Adult Swim! This Christmas special is definitely not one to miss! You can check out an all-new clip from the special below. For all your Adult Swim news, keep it here on NYCityGuys!