100th Episode Celebration

100th Episode Celebration is the 5th episode of Blue's Clues from season 5 to be marked as the special. This means the series reached 100 episodes.

Characters

 * Blue
 * Joe
 * Steve
 * Sidetable
 * Mailbox
 * Mr. Salt
 * Mrs. Pepper
 * Paprika
 * Cinnamon
 * Tickety
 * Slippery
 * Shovel
 * Pail
 * Magenta
 * Periwinkle
 * Green Puppy


 * Cash Register


 * Notes
 * G-Clef
 * Carly
 * Boat
 * Train
 * Gingerbread Girl
 * Squirrel
 * Gopher


 * Waddling Pawprint
 * Butterfly
 * Elephant
 * Lion
 * Monkey


 * Horace
 * Owl
 * Cricket
 * Bat
 * Sun
 * Earth
 * Moon
 * Sleeping Beauty
 * Rickety Fence
 * Rolling Pawprint


 * Felt Friends
 * Gingerbread Boy
 * Bowl
 * Spatula


 * Crows
 * White
 * Yellow
 * Red
 * Sock Puppet
 * Papa Bear
 * Mama Bear
 * Baby Bear


 * Julia
 * John
 * Jack
 * Joe
 * Black Sheep
 * Storybook Characters
 * Rabbit
 * Neptune
 * Recycle Bins
 * Al Luminum


 * Little Miss Muffet
 * Steve's Grandmother
 * Bouncing Pawprint
 * Bob
 * Ostrich
 * Hopping Pawprint


 * Giraffe
 * Markie
 * Chalk Girl
 * Fish
 * Felix
 * Mary
 * Trevor
 * Orange Kitten
 * Purple Kangaroo
 * Chicks
 * Boris


 * 100
 * Sudsy
 * Inch Worms
 * Sock Monkey
 * Crabs
 * Octopuses
 * Herons
 * Spider
 * Chicks
 * Cow
 * Mouse
 * Sheep
 * Frog
 * Pig
 * Bird


 * Octagon
 * Oval
 * Triangle
 * Crescent
 * Pizza Chef
 * Ball
 * Hum
 * Drum
 * Speedboat
 * Troll
 * Goblin
 * Dragon


 * Bubbly Bubbles
 * Plum
 * Tractor

Trivia

 * There was no playing of Blue's Clues, Mailtime, Video Letter, and Skidoo segments in this episode.
 * Periwinkle is the first character to start the special episode.
 * Also, this is his first time to go through the door flap.
 * This is the first time that Joe wears his famous Orange Squared shirt.
 * This is actually the 100st episode of the show.
 * Clips were shown on various montage videos from seasons one-four, and the first four episodes of season five.
 * This is Steve's final time to make an appearance on Blue's Clues.
 * His voice will be heard one more time in the season finale episode Blue's First Holiday.
 * In "The Songs We've Sang" throwback, a clip of this Season's upcoming episode "The Alphabet Train!" can be seen before it aired on Nick Jr. and was then in the Sneak Peek as well as other episodes.
 * The music clip in the credits is heard from What Does Blue Want to Do on a Rainy Day.
 * Sidetable's face disappears onscreen for this episode.
 * Joe hopes the show would go on for 1,000 episodes, but it never happened, since the series was ended in 2006 with a grand total of 142 episodes.
 * At the end of the party, the closing credits music from the Season Three long episode Blue's Big Musical can be heard briefly.
 * Scenes of upcoming episodes of this season are seen here in throwbacks.
 * The instrumental tune for What Time is it for Blue's version of The So Long Song should've been included on the closing credits.
 * In "The Clues We've Found" throwback, a clip from the previous season finale episode "Steve Goes to College" shows Joe holding up the cassette tape that makes a ringing sound (Replaced with a bike horn honking sound,) and the pawprint was on the sound waves.
 * When the kids cheers and applause sound effect was heard at the beginning, captions said "(crowd applausing)".
 * When Periwinkle said "They're here," captions said "They's here" twice, but he said it once.
 * In "The Things We've Learned" throwback, the instrumental version of "We Can Be Anything That We Wanna Be" from the Season Three long episode Blue's Big Musical was heard.
 * In "The Places We've Been" throwback, the instrumental version of the Glasses song from the Season Three finale episode Magenta Gets Glasses was heard.
 * In "The Clues We've Found" throwback, the instrumental version of "Things I Love to Do" from the audio version of the Season Three episode Blue's Big Treasure Hunt was heard.
 * This special was included in the special features on the "Get to Know Joe!" DVD.
 * On that release, the Nickelodeon logo (With 2002 Blue's Clues copyright info) was added after the Nick Jr. Productions logo.
 * This also occurs at the end of "The Big Book About Us," also on that DVD.