The 18-year-old actor expressed his gratitude for his time with the show on Twitter after the episode's airing on December 10, but Riggs' father, William Riggs — who operates Facebook page "Chandler Riggs' Dad's Zombie Roadtrip Riggs' Tours & Autographs" — blasted the series and showrunner Scott M. Gimple in light of the young actor's abrupt departure after more than seven years.