2024

(1 episode) … Writer (1 episode) … Story (1 episode) … Teleplay

2020

(2 episodes) … Writer

2015

(1 episode) … Writer

2010

(22 episodes) … Writer (1 episode) … Story

2009

(3 episodes) … Writer

2007

(1 episode) … Writer

2002

(7 episodes) … Writer

1997

(19 episodes) … Writer

1995

(2 episodes) … Writer

2024

(6 episodes) … Executive Producer

2023		The Walking Dead: Daryl Dixon (6 episodes) … Executive Producer
2023		The Walking Dead: Dead City (6 episodes) … Executive Producer

2022

(6 episodes) … Executive Producer

2020

(10 episodes) … Executive Producer

2010

(70 episodes) … Executive Producer (16 episodes) … Supervising Producer (13 episodes) … Producer

2024

… Creator

2022

… Creator

2020

… Creator

2002

… Creator

2011

(3 episodes) as Himself