Modern Primitives

Modern Primitives is an episode of The Grim Adventures of Billy & Mandy from season 5. It is the sister episode to Giant Billy & Mandy All-Out Attack!. It originally aired on Cartoon Network in January of 2006.
== Plot ==
Coming soon!
== Characters ==
* Grim
* Billy
* Mandy
* Fred Flintstone (debut)
* Barney Rubble (credits)
* Betty Rubble (credits)
* Harold
* Gladys
* Mindy
* Eleanor Butterbean
* Pud'n
* Irwin
== Locations ==
* Billy's house
* Endsville Elementary School
* An unknown future
* Bedrock (credits)
== Trivia ==
* This episode and its sister episode Giant Billy & Mandy All-Out Attack! are the only two paired together episodes to feature a Hanna-Barbera character in each of them.
** This episode had Fred Flintstone and its sister episode had Grape Ape. Ironically, the former plays a major role and the latter has a brief cameo.
* Mindy makes fun of Fred Flintstone's catchphrase Yabba Dabba Doo when Billy brings him into class for show and tell.
* Fred Flintstone is voiced by James Arnold Taylor, who also voices Johnny from Johnny Test.
Category:Episodes
Category:Episodes focusing on Billy
Category:Episodes focusing on Grim
Category:Episodes with funny endings
Category:Episodes with bad endings
Category:Season 5
Category:The Grim Adventures of Billy & Mandy episodes