Looking forward to the second season, Frank Darabont fired the writing staff, only to find himself fired by AMC.
Edwin Jenner (Noah Emmerich), the doctor who was doing research on the Zombie outbreak, has his name in clear reference to Edward Jenner, who developed the vaccine for smallpox.
Robert Kirkman said that this is the only episode he regrets because it tells the survivors about the rest of the world rather than learning first hand.
Rick's hometown county "King County, Georgia" is a non-existing county in the state of Georgia. It is instead a reference to Stephen King, a close personal friend of Frank Darabont.
The only season with no episodes rated under eight.