Billy and Mandy vs. the Martians

"Billy and Mandy vs. the Martians" is the 67th episode of The Grim Adventures of Billy and Mandy. It first aired March 23, 2006 on Cartoon Network and it is the show's sixth full-length episode.

Plot

Template:Spoiler After Billy breaks Fancy Jake, Grim's favorite toy from childhood, Grim decides that he has had enough of Billy and Mandy. Luckily, Morg, the Martian Grim Reaper frees Grim, much to the chagrin of Mandy. Billy, Mandy, and Irwin go onboard Morg's spacecraft in order to track Grim, but a mishap leads them to Mars.

Morg reveals to Grim his plan - he wants to invade Earth, and send zombies to eat all humans' brains, so he can control all humans with a Brain-Caster. Although Grim doesn't want to take over humans, with a little persuasion from Morg, he changes his mind. On the spaceship, Morg reveals more details of his plan to Grim. He needs a brain filled with stupidity to power the Brain-Caster forever; Grim happily and actively suggests Billy. Later, however, Grim finds a forbidden room, where he finds the ashes of various Grim Reapers of many planets and solar systems. He realizes that Morg is planning to obliterate him after he invades Earth.

Meanwhile, Billy, Mandy, and Irwin get to Mars, and they have to fight off Martian zombies. Luckily, they have a new "pet", a space monster whom Billy names Admiral Wolverine Lightningbolt. When Billy, Mandy, and Irwin go to Morg's lair, they realize that the invasion has already started on Earth. While zombies try to get Billy's brain so they can power the brain-caster, the three head off to Earth. There, zombies capture Billy and put him into the Brain-Caster, and Irwin is eaten by a huge beetle. Mandy is saved from the monster by Admiral Wolverine Lightningbolt.

Grim realizes the error of his ways, by way of Billy. He then helps them save the Earth. Eventually, Billy's stupid mind clouds the zombies' with stupid thoughts, and it destroys the Brain-Caster, and in effect, all of the humans go back to normal and the Earth is saved. Billy hits a button that sends Morg into space, letting the Earth's ozone layer to take care of him. Grim continues to be friends with Billy and Mandy.

Trivia

Cultural References

• Billy refers to the other Cartoon Network's television series Codename: Kids Next Door in one point during the episode. He says "Hey, this is not 'Codename: Kids Next Door... but it's just as mesmerizing" after he, Mandy and Irwin find gigantic holograms of Martians weapons and war plans in the Martian Base.
• A NASA Mars Probe saves Billy, Mandy, and Irwin while falling through space. Billy exclaimes, "You people are the real heroes!"
• When Mandy says "Can you imagine the odds of this happening?" during the Mars Probe scene, she could be referring to The Hitchiker's Guide to the Galaxy, where the two main characters are saved by a ship which runs on improbable odds.
• The Martians use tripods as one of their main arsenal. This is an obvious reference to The War of the Worlds series.
  • Also, the way the news switches newscasters after each one is attacked is a references to the radio show version of the movie.

Miscellanea

• In one point during the episode, after Martians have conquered the Earth, the screen reads "To Be Continued". This marks the third time a "To Be Continued..." has been shown since Prank Call of Cthulhu and Brown Evil.
• Billy accidentally turned his mother to stone with a shrunken Medusa Head.
• Near the end of the episode, Billy states that "You can pick your friends, and you can pick your nose. But you can't pick your friend's nose." This line refers back to Mandy's words in Get Out of My Head!, the 3rd episode of the show.
• Morg finds the world Uranus funny. This might have something to do with the fact that Uranus is commonly mispronounced "your anus."

Goofs

• When the Endsville zombies are attacking, notice Hoss' right hand is dull green, not metal grey as normal.
• When Mandy talks to Grim through the window on Mars, the stars in the background can be seen through her black headband and eyes.

Guest stars

• Grey DeLisle as Zombie #1, Leech
• Greg Eagles as Sperg, Zombie
• Vanessa Marshall as Cow
• Diedrich Bader as Hoss Delgado, Pilot, Astronaut
• Keith Ferguson as Morg, Creature, Reporter
• Jennifer Hale as Zombie #2, Cindy, and Gladys
• Bob Joles as Zombie Head, Newscaster #1, Ground Control
• John Kassir as Carrion Beetle, TV Announcer, Newscaster #2
• Rachael MacFarlane as Mindy
• Roger Rose as Admiral Wolverine Lightning Bolt, Newscaster #3, Announcer #2
• Armin Shimerman as General Skarr, Zombie