Blue's Big Costume Party

Costume Limbo

Season 3, Episode 21 (61 overall)
Monday, October 16, 2000
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Boo's Haunted House
1. Little Prints
2. Whiskers
3. Sound (squeak-squeak)
Wrong Answers
A Rhinoceros Costume
A Cat Costume
Answer to Blue's Clues
A Mouse Costume

Blue's Big Costume Party is the 21st episode of Blue's Clues from Season 3.

Characters Present


Steve and Blue host a Costume Party.


To be described.


  • This episode is a Halloween special.
  • The term Oogla Boogla was previously mentioned in the Mailtime segment back in the Season One episode Blue's Story Time.
  • Throughout this episode, Steve gets a spooky surprise whenever he opens his notebook.
  • In the Mailtime song, Blue does not join in the singing.
  • This is the last episode that Steve gives a wrong guess.
    • This is also the only time where Steve gives more than one wrong guess, and the only time when he observes each of the clues individually.
  • This is the third time Steve gets the mail at the end.
  • This is Boo's second and final appearance on the show.
  • This is the third time Blue was peeked into the leaves from "Blue's Big Mystery" and "Thankful".
  • This is the first Season 4 episode for As Pistas da Blue.


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Pistas da Blue:

Blue's Clues Season 3
Blue's Big Treasure Hunt | Art Appreciation | Weight and Balance | What's That Sound? | Animal Behavior! | Blue's Big Pajama Party | Draw Along with Blue | Thankful | Blue's Big Holiday | Pool Party | Anatomy | Signs | Nature | Geography | Occupations | Blue's Big Mystery | Periwinkle Misses His Friend | Blue's Big Musical | What's So Funny? | Blue's Big Costume Party | Inventions | Blue's Play | Prehistoric Blue | The Wrong Shirt | Words | Blue's Collection | Café Blue | Shy | Environments | Stormy Weather | Magenta Gets Glasses