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Grim, Billy, and Mandy (who became president) award Underfist for saving Halloween, but then they hear something outside and investigate. It is revealed that an army of squid warriors have found their way to the surface, which the team prepare to fight.
- Comedy
Hoss Delgado quits Underfist and later tries to go off on his own to save the world. Irwin battles Hoss Delgado from fighting him, while Jeff and Fred entertain the chocolate bars with the song I Don't Wanna Grow Up, showing how much they don't wanna grow up.
Oct 12, 2008 · Grim, Billy, and Mandy award Underfist for saving Halloween, but then they hear something outside and investigate. It's soon revealed that there is an army of squid warriors who have found their way to the surface world that the team made while trying to escape from the Underworld.
Underfist: Halloween Bash (otherwise known as Billy & Mandy: Underfist or Underfist) is an American animated spin-off special of The Grim Adventures of Billy & Mandy. It originally aired on Cartoon Network on October 12, 2008.
On Halloween night, Irwin, Billy, Mandy and Grim are trick-or-treating. Billy, Mandy and Grim decide to go home after having no success with Dracula. Irwin realizes that his life is passing him by.
Underfist: Halloween Bash is a Halloween-themed spin-off TV movie of the animated series The Grim Adventures of Billy and Mandy. It first aired in October 12, 2008. On Halloween night Irwin, Billy, Mandy and Grim are trick-or-treating.
Oct 12, 2008 · Underfist: Halloween Bash (otherwise known as Underfist) is an American animated spin-off special of The Grim Adventures of Billy & Mandy. It originally aired on Cartoon Network on October 12, 2008.