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A Grim Surprise

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A Grim Surprise
Series The Grim Adventures of Billy & Mandy
Grim & Evil
Season 1
Production code 114
Writer Rob DeSales
Broadcast information
Broadcast number 14
Cartoon Network US Premiere August 2, 2002
Paired with Beasts and Barbarians
Chronological information
Something Stupid This Way Comes
Beasts and Barbarians
A Grim Surprise is the fourteenth episode of The Grim Adventures of Billy & Mandy. It was originally part of a Grim & Evil episode.


Billy tells Grim to help him throw a surprise birthday party for Mandy. Then, a reluctant Grim helps Billy prepare a cake while keeping it a secret from Mandy In the end, a somewhat surprised Mandy reveals that her birthday isn't for the next five months, something that Billy already knew about.


  • Story by: Rob DeSales
  • Storyboard by: John McIntyre
  • Directed by: John McIntyre, Robert Alvarez


A Grim Surprise/Transcript


  1. When Mandy turn the light on, the flower on her shirt is gone.


  • The cake was crushed when Billy put it on Grim, when he was trying "hiding" it. They never made another cake, and the same cake was on the table for "Mandy's Surprise Party".
  • This is the only episode to not have the same title card song compared to the other episodes on Season 1.


The image gallery for A Grim Surprise may be viewed here.

Something Stupid This Way Comes
Grim & Evil Episodes Next:
Everyone Loves Uncle Bob

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