Treehouse of Horror XXI - Page History
Studio: Gracie Films Release Date : November 7, 2010 Series: Simpsons

11/22/2013

  • New title added by eutychus
  • Characters added by eutychus
  • Tech specs added by eutychus
  • Television info added by eutychus

3/13/2015

  • Characters added by Toonatic

4/13/2015

  • Credits added by Toonatic

4/22/2015

  • Credits added by Toonatic

2/25/2018

    7/9/2019

    • Credits added by kintutoons32

    7/24/2020

      1/8/2021

      • Credits added by Toonatic

      3/27/2021

      • Credits added by EmiozunaToonz

      Sources

      James L. Brooks: Developed By
      • Verified by onscreen credits (not always reliable)

      Matt Groening: Developed By
      • Verified by onscreen credits (not always reliable)

      Sam Simon: Developed By
      • Verified by onscreen credits (not always reliable)

      Matt Groening: Creator
      • Verified by onscreen credits (not always reliable)

      Richard Sakai: Producer
      • Verified by onscreen credits (not always reliable)

      Joel H. (I) Cohen: Writer
      • Verified by onscreen credits (not always reliable)

      Bob Anderson: Director
      • Verified by onscreen credits (not always reliable)

      Matthew Schofield: Assistant Director
      • Verified by onscreen credits (not always reliable)

      Alan Decker: Re-Recording Mixer
      • Verified by onscreen credits (not always reliable)

      Mark Linden: Re-Recording Mixer
      • Verified by onscreen credits (not always reliable)

      Tara A. Paul: Re-Recording Mixer
      • Verified by onscreen credits (not always reliable)