The Grim Adventures of Billy & Mandy

Underfist: Halloween Bash

Directed by Shaun Cashman
TV-Y7
Specials • E3    Oct 12, 2008    61m
Billy, Irwin and Mandy go trick-or-treating on Halloween, and an evil marshmallow bunny attacks children with chocolate beasts.

Where to Watch The Grim Adventures of Billy & Mandy • Specials

Cast of Underfist: Halloween Bash

  • Greg EaglesGrim (voice)
  • Richard Steven HorvitzBilly (voice)
  • Grey DeLisleMandy (voice)
  • Vanessa MarshallIrwin (voice)
  • Shaun CashmanDirector
  • Maxwell AtomsWriter

 

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