Sunday's premiere of its post-Civil War Western Hell on Wheels opened to a 3.1 household rating and 4.4 million viewers, becoming the network's second-highest series premiere in history, following The Walking Dead.
Sunday's premiere of its post-Civil War Western Hell on Wheels opened to a 3.1 household rating and 4.4 million viewers, becoming the network's second-highest series premiere in history, following The Walking Dead.
