The Walking Dead is about to kick off its zombie-filled fifth season, but according to executive producer David Alpert, the adventures of Rick Grimes and Co. could go on for a very long time.
“I happen to love working from source material, specifically because we have a pretty good idea of what season 10 is gonna be,” Alpert said at a Producers Guild of America panel, according to IndieWire. “We know where season 11 and 12…
