AMC hat noch nicht mal mit der Ausstrahlung der 5. Staffel begonnen, da hat der Sender die Serie schon für eine 6. Staffel verlängert.

“We could not be more excited for October 12th as we share new episodes of The Walking Dead with fans around the globe,” said AMC President Charlie Collier in a statement. “In advance of Sunday’s season five premiere, AMC proudly confirms a sixth season order of this extraordinary series. Thank you to Robert Kirkman, Scott Gimple, the terrific executive producers, and the entire team who brings this compelling world and these rich characters to life. There’s plenty more Dead ahead thanks to their impressive, collective effort.”
'The Walking Dead' renewed for season 6 | Inside TV | EW.com