Anatomy is the 12th episode of Blue's Clues from Season 3.

Characters Present


  • Question: What did Blue discover?
  • Clues:
    • 1. A Mouth
    • 2. A Wiggle Motion
    • 3. A Tooth
  • Answer: A Loose Tooth
  • Skidoo: Sarah Scientist's Laboratory


Steve and Blue learn about different parts of the body and the different uses of them.


This plot summary is incomplete. You can help Blue's Clues Wiki by completing it.


  • This is Mouth's first appearance without a speaking role. He later spoke in I Did That as the first talking clue and Body Language as Scrunched Up Mouth since her reappearance never had eyes.
  • In the Portugal version of Blue's Clues (Pistas da Blue), Blue's barking to the Mailtime song from Snack Time was used.
  • This is eighth and last episode where viewers say "Notebook!" from "Mailbox's Birthday" was not used.
  • In Pistas da Blue version of this episode. During the scene where Duarte helps Mr. Salt, Mrs. Pepper and Paprika with muscles and finding the third clue. His hair from late Season 3 is used.
  • When Steve dances the pawprint away, the music from the song Our Dream from What Was Blue's Dream About? was used.
  • During the credits, the viewer can hear a woman from the first clue singing.
    • Cursor can also be seen near both the beginning and end of the credits, clicking at Steve's name and "SFX", "Music" and "Post Mixer".
  • Although not acknowledged fully, this is the first time the Internet is used to learn about something.
  • This episode was seen in the TV show, Yes Dear, as an emergency use. This leads to one of the main characters dreaming being on the Blue's Clues show himself. That same episode even had Steve guest star at the very end.
  • After the fade out of the book following the credits, the Nick Jr. Productions Logo started when Nick and Jr were jumping, cutting out the first second of it.


  • During the theme song, Steve is wearing his tan shoes.
  • In the UK version, when Kevin asks Postbox why he is blinking his voice, tone makes him look and sound like he is angry.
  • During Mailtime in the Portuguese version, when Duarte goes "Geemo!!!", you cannot see Blue.


Watch Episode



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 | Hide and Seek | 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 | Shy | Magenta Gets Glasses | Environments | Stormy Weather | Blue's Collection | Café Blue
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