During the Credits
There are no extras during the credits of The Walking Dead.
After the Credits
After the credits of The Walking Dead, there is an extra scene that lasts a minute and a half. Check out more details and spoilers below.
Clementine, resting at a log in a field by herself, sees two dark figures walking on top of a hill in the distance. After a while, they stop, presumably seeing her, as she holds her gun out nervously.