The Grim Adventures of Billy and Mandy

Billy & Mandy Moon the Moon

Season 7, Ep 9, Aired 5/28/07
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  • Episode Description
  • Billy, Mandy and Grim are abducted by cheese-obsessed aliens from the moon.

  • Cast & Crew
  • Greg Eagles

    The Grim Reaper

  • Grey DeLisle


  • Jennifer Hale

    Billy's Mom

  • Richard Horvitz

    Billy / Billy's Dad

  • Vanessa Marshall


  • Fan Reviews (4)
  • The last part of the Invasion mini-series.

    By Evilwizardguy, Oct 15, 2007

  • Really lame.

    By spongebobfan200, Jan 09, 2008

  • A very Great Episode.

    By PikaMaster47189, Jul 10, 2007

  • The "Invaded" mini-series gets all wrapped up! 8)

    By 4EverGreen, May 29, 2007

  • Trivia & Quotes
  • Quotes (3)

    • Billy: (to alien) I'll call you Baby Steve. (Alien roars in Billy's face) Billy: Okay... How 'bout Cuddlekins? Alien: (looks at the audience) This kid ain't playin' with a full deck, folks.

    • Sperg: Besides, aliens don't make crop circles, they fly in UFOs. Billy: Like that one? (Alien spaceship appears overhead. A hatch opens and glows green) Sperg: Yeah, green is aliens' favorite color.

    • Grim: Um.. Mandy... are you... scared? Mandy: Yeah, we're about to be eaten alive.. (monsters come closer) Mandy: Well Grim... it's been swell... Grim: Really? Mandy: No.

    Notes (12)

    • This marks the second time Billy's right since Billy and Mandy Save Christmas.

    • Pud'n, along with Plank, and others are spies for the aliens.

    • Sperg, frightened out of his wits over the whole scenario, displays a new-found respect for Billy.

    • This episode marks the first time in the series where Mandy admits she is scared.

    • Credits: Dr. Braniac receives a postal package from Frankie for his birthday which turns out to be a sweater and vows Earth will pay for this (since he hates sweaters) and orders Stinky to warm up the Plasmotronic Disruptonators in which she asks him why he can't return it.

    Show More Notes

    Trivia (3)

    • The alternate ending to the Invaded series appears to be animated in the Billy and Mandy style, though Grim, Mandy, and Billy do not make an appearance. The five main characters from the Kids Next Door are featured instead.

    • This episode is connected with other Invasion episodes from different Cartoon Network series.

    • Mandy's hair changes color from light to dark yellow throughout this episode.

    Allusions (3)

    • Grim: By the power of the Underworld... I have the power! This is similar to He-Man's phrase to activate his sword to change from Adam to He-Man, "By the power of Grayskull... I have the power!"

    • Some of the UFOs look like the spaceship that captured the Cul-De-Sac kids at the end of the episode The Eds are Coming also in other Invaded episodes.

    • Some characters from Foster's Home for Imaginary Friends, Camp Lazlo, My Gym Partner's a Monkey, and Ed, Edd n' Eddy make a cameo in the ending which seems to have a connection to the whole episodes.

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