List of Letters (Mail) Blue's Clues

Letters are envelopes that the hosts of Blue's Clues get from Mailbox. Such as, Steve, Joe, and Josh in the US / Kevin Duala in the UK / and Duarte from Portugal.

Season 1

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Blue Prints"			Red	Brown
"Snack Time"			Apple	Red
"What Time is it for Blue?"			Tickety Tock	Yellow
"Mailbox's Birthday"			Birthday Present	Orange
"Blue's Story Time"			Storybook	Green
"What Does Blue Need?"			Toothbrush	Brown
"Blue's Favorite Song"			Music Note	Yellow
"Adventures in Art"			Paintbrush	Brown
"Blue Goes to the Beach"			Seahorse	Green
"Pretend Time"			Treasure Chest	Yellow
"A Snowy Day"			Snowflake	Brown
"The Trying Game"			Bow Lace	Brown
"Blue Wants to Play a Game"			Puzzle Piece	Yellow
"The Grow Show"			Ruler	Brown
"Blue Wants to Play a Song Game"			Hand	Green
"What Does Blue Want to Make?"			Newspaper Hat	Brown
"What Story Does Blue Want to Play?"			Storybook	Yellow
"Tickety's Favorite Nursery Rhyme"			Smiley or Happy Face	Green
"What Is Blue Afraid Of?"			Hand finger	Yellow
"Magenta Comes Over"			Friends	Green
"Blue's News"			Storybook with Pencil	Brown

Season 2

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Steve Gets the Sniffles"			Stethoscope	Green
"What Does Blue Want to Build?"			House	Yellow
"Blue's Senses"			Feather	Orange
"What Experiment Does Blue Want to Try?"			Magnet	Brown
"What Does Blue Want to Make Out of Recycled Things?"			Recycle Logo	Green
"What Was Blue's Dream About?"			Dream Clouds	Brown
"Blue's ABCs"			The Word Stamp	Yellow
"Math!"			Pizza	Orange
"Blue's Birthday"			Present	White
"What Does Blue Want to Do with Her Picture?"			Letter	Green
"What Does Blue Want to Do on a Rainy Day?"			G-Clef	Yellow
"Blue's Surprise at Two O'Clock"			Alarm Clock	Brown
"The Lost Episode!"			Key Chain	Orange
"Blue's Sad Day"			Faces	Yellow
"What Game Does Blue Want to Learn?"			Cards	Brown
"What Did Blue See?"			Human Face Side Silhouette	Yellow
"Nurture!"			Heart	Red
"Blue Is Frustrated"			Zipper	Green
"What Is Blue Trying to Do?"			Puzzle Piece	Green
"Mechanics!"			Tape Cassette	Orange

Season 3

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Art Appreciation"			Paint Palette	Orange
"Weight and Balance"			Feather	Yellow
"What's That Sound?"			Sound Waves	Pink
"Animal Behavior!"			Kitten Face	Pink
"Blue's Big Pajama Party"			Day & Night	Orange
"Draw Along with Blue"			Pencil (or Number-Two Pencil)	Yellow
"Hide and Seek"			Hiding edge	Yellow
"Thankful"			Leaf	Yellow
"Blue's Big Holiday"			Snowflake	Yellow
"Pool Party"			Beach Ball	Orange
"Anatomy"			Bone	Yellow
"Signs"			I Love you Sign	Green
"Nature"			Ladybug	Brown
"Geography"			World Globe	Green
"Occupations"			Mail Truck	Orange
"Blue's Big Mystery"			Question Mark	Orange
"Periwinkle Misses His Friend"			City	Orange
"What's So Funny?"			Funny Face	Green
"Blue's Big Costume Party"			Jack o Lantern	Green
"Inventions"			Light Bulb	Yellow
"Blue's Play"			Sock and Buskin	Yellow
"Prehistoric Blue"			T-Rex	Orange
"The Wrong Shirt"			Friends	Yellow
"Words"			The Word Stamp	Yellow
"Shy"			Kid Behind the fence	Orange
"Magenta Gets Glasses"			Glasses	Yellow
"Environments"			Frog	Orange
"Stormy Weather'			Storm Cloud	Yellow
"Blue's Collection"			Stamp Collection	Yellow
"Café Blue"			Fork & Spoon	Yellow

Season 4

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Imagine Nation"			Button	Orange
"Adventure"			Castle	Yellow
"The Anything Box"			Box	Yellow
"Superfriends"			Superhero	Orange
"What's New, Blue?"			Kid reading newspaper	Orange
"Blue's New Place"			Kid hiding and waving.	Yellow
"Mr. Salt and Mrs. Pepper Day"			Hand	Orange
"The Baby's Here!""			Baby Face	Yellow
"Making Changes"			Family	Orange
"Bugs!"			Beatle	Orange
"¡Un Día Con Plum!"			World Globe	Orange
"What's Inside?"			Chick inside the egg, then Chick cracked egg, and last Chick.	Green Orange Yellow
"Blocks"			Block Tower	Orange
"Blue's Backyard Ballgame Bonanza"			Ball	Green
"Puppets"			Sock and Buskin	Yellow
"Rhyme Time"			Lamp	Green
"Let's Plant"			Sunflower	Green
"Blue's Book Nook"			Reading Book	Orange
"Let's Boogie"			Dancing	Orange
"Blue's School"			School Bus	Orange
"Something To Do Blue"			Face chartreuse background	Yellow
"Joe's First Day"			Teddy Bear	Yellow
"Joe Gets a Clue"			Thinking Chair	Yellow
"Steve Goes to College"			Brown kid waving	Yellow

Season 5

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Can You Help?"			Smile Face	Orange
"Colors Everywhere!"			Paintbrush	Yellow
"The Snack Chart"			Chart	Orange
"The Big Book About Us"			Open Book	Orange
"Playing Store"			Shopping Brown bag	Green
"Patience"			Alarm Clock	Yellow
"Joe's Surprise Party"			Cupcake	Orange
"I'm So Happy!"			Smile Face	Orange
"The Boat Float"			Sailboat	Yellow
"Bedtime Business"			Bed	Orange
"Shape Searchers"			Green Square	Yellow
"Blue Goes to the Doctor"			Plus Sign	Orange
"Contraptions!"			Gadgets	Green
"A Brand New Game"			Spinner	Orange
"A Surprise Guest"			Question Mark	Orange
"Dress Up Day"			Mask	Orange
"Blue's Big Band"			Drum	Green
"Up, Down, All Around!"			Arrow left & rights	Yellow
"Story Wall"			Storybook	Yellow
"The Alphabet Train"			ABC Blocks (or Alphabet Blocks)	Green
"Numbers Everywhere!"			Number 35	Orange
"Blue's Predictions"			Spinner	Orange
"Our Neighborhood Festival"			Pennant banner flags	Yellow
"Meet Polka Dots!"			Kid Face	Yellow
"The Scavenger Hunt"			Check Mark	Orange
"Let's Write!"			Pencil (or Number-Two Pencil)	Orange
"Body Language			Body Long	Orange
"Blue's Big Car Trip"			Car	Yellow
"Look Carefully..."			Eyes	Orange
"I Did That!"			Body top of the Mountain	Yellow
"Animals in Our House?"			Rubber Duck	Orange
"Morning Music"			Sun	Yellow
"Blue's First Holiday"			World Globe	Yellow

Season 6

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Love Day"			3 hearts	Orange
"Blue's Wishes"			Wand	Orange
"Joe's Clues"			Green Squares	Yellow
"Playdates"			People	Orange
"Soccer Practice"			Soccer Ball	Orange
"Bluestock"			G-Clef	Orange

Season 1 UK

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"What Game Does Blue Want to Play? (UK)"			Puzzle Piece	Yellow
"What Story Does Blue Want to Play? (UK)"			Storybook	Yellow
"What Is Blue Afraid Of? (UK)"			Hand Finger	Yellow
"Pretend Time (UK)"			Toy Chest	Yellow
"The Grow Show (UK)"			Ruler	Red
"Blue's News (UK)"			Storybook with Pencil	Brown
"Magenta Comes Over (UK)"			Friends	Green
"What Does Blue Want to Make? (UK)"			Newspaper Hat	Orange
"Tickety's Favorite Nursery Rhyme (UK)"			Smile Face	Green
"The Trying Game (UK)"			Shoe Lace	Brown

Season 2 UK

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"What Song Game Does Blue Want to Play? (UK)"			Hand	Green
"Kevin Gets the Sniffles (UK)"			Stethoscope	Green
"What Does Blue Want to Build? (UK)"			House	Yellow
"What Does Blue Want to Play Now? (UK)"			Feather	Orange
"Blue Experiments (UK)"			Magnet	Orange
"Blue Recycles (UK)"			Recycle Logo	Green
"What Was Blue's Dream About? (UK)"			Dream Clouds	Orange
"Math! (UK)"			Pizza	Orange
"Blue's Birthday (UK)"			Present	White
"What Does Blue Want to Do with our Drawing? (UK)"			Letter	Green

Season 3 UK

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Music is an Every Day Way (UK)"			G-Clef	Green
"Where Did Blue lose your Backpack (UK)"			Key Chains	Yellow
"Blue's Sad Day (UK)"			Faces	Orange
"What Do We Need To Do Today? (UK)"			Heart	Green
"Frustration (UK)"			Zipper	Yellow
"Art Appreciation (UK)"			Palette	Yellow
"Blue's Surprise at Two O'Clock (UK)"			Alarm Clock	Orange
"What's That Sound? (UK)"			Sound Waves	Green
"Mechanics! (UK)"			Tape Cassette	Green
"Animal Behaviour (UK)"			Kitten Face	Yellow

Season 4 UK

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Geography (UK)"			World Globe	Green
"Hide and Seek (UK)"			Hiding Edge	Orange
"Occupations (UK)"			Mail Truck	Orange
"Anatomy (UK)"			Bone	Green
"Pool Party (UK)"			Beach Ball	Green
"Draw Along with Blue (UK)"			Pencil	Orange
"Nature (UK)"			Ladybug	Brown
"Inventions (UK)"			Light Bulb	Green
"What's So Funny? (UK)"			Silly Face	Green
"Blue's Big Costume Party (UK)"			Jack O Lantern	Orange
"Blue's Big Pyjama Party (UK)"			Day and Night	Yellow
"Blue's Big Mystery (UK)"			Question Mark	Yellow
"Blue's Play (UK)"			Sock and Bruskin	Yellow
"Prehistoric Blue (UK)"			Dinosaur	Orange
"Periwinkle Misses His Friend (UK)"			City	Yellow

Season 5 UK

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Environments (UK)"			Frog	Green
"Blue's Collection (UK)"			Button	Orange
"The Wrong Shirt (UK)"			Friends	Yellow
"Café Blue (UK)"			Fork and Spoon	Green
"Imagine Nation (UK)"			Button	Orange
"Adventure (UK)"			Castle	Orange
"Superfriends (UK)"			Superhero	Green
"Bugs! (UK)"			Beatle	Yellow
"¡Un Día Con Plum! (UK)"			Globe	Green
"What's New, Blue? (UK)"			Kid Reading Newspaper	Yellow
"Special Spaces (UK)"			Kid hiding edge.	Yellow
"Mrs. Pepper and Mr. Salt Day (UK)"			Hand	Yellow
"The Baby's Here! (UK)"			Baby Face	Yellow
"Making Changes (UK)"			Family	Green
"What's Inside? (UK)"			Chick inside the egg, then Chick cracked egg, and last Chick.	Orange Yellow Green

Season 6 UK

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Something To Do Blue (UK)"			Kid	Yellow
"Let's Boogie (UK)"			Dancing	Red
"Blocks (UK)"			Block Tower	Yellow
"Blue's Backyard Ballgame (UK)"			Ball	Orange
"Let's Plant (UK)"			Sunflower	Yellow
"Puppets"			Sock and Bruskin	Orange
"I'm So Happy! (UK)"			Happy Face	Orange
"Shape Searchers (UK)"			Green Square	Yellow
"The Big Book About Us (UK)"			Book	Yellow
"Can You Help? (UK)"			Happy Face	Orange
"Colours (UK)"			Paint Brush	Yellow
"Rhythm and Blue (UK)"			Drum	Yellow
"Blue's Charts (UK)"			Charts	Yellow
"Playing Store (UK)"			Shopping Bag	Yellow
"Patience (UK)"			Alarm Clock	Yellow

PC Games

Episode	Picture Description	Image	Stamps	Color Letters	Notes
"Blue's ABC Time Activities"			Square/Book/Smile/Paintbrush/Hearts	Purple/Pink/Yellow/Red/Orange
"Blue's Treasure Hunt: A Learning Adventure"			Magenta/Blue/Mr. Salt/Pail/Tickety/Mrs. Pepper/Shovel/Slippery	Yellow