• S1.E0 ∙ Unaired Pilot
• S1.E1 ∙ Snack Time
• S1.E2 ∙ What Time Is It for Blue?
• S1.E3 ∙ Mailbox's Birthday
• S1.E4 ∙ Blue's Story Time
• S1.E5 ∙ What Does Blue Need?
• S1.E6 ∙ Blue's Favorite Song
• S1.E7 ∙ Adventures in Art
• S1.E8 ∙ Blue Goes to the Beach
• S1.E9 ∙ Pretend Time
• S1.E10 ∙ A Snowy Day
• S1.E11 ∙ The Trying Game
• S1.E12 ∙ Blue Wants to Play a Game
• S1.E13 ∙ The Grow Show
• S1.E14 ∙ Blue Wants to Play a Song Game
• S1.E15 ∙ What Does Blue Want to Make?
• S1.E16 ∙ What Story Does Blue Want to Play?
• S1.E17 ∙ Tickety's Favorite Nursery Rhyme
• S1.E18 ∙ What Is Blue Afraid Of?
• S1.E19 ∙ Magenta Comes Over
• S1.E20 ∙ Blue's News

• S2.E1 ∙ Steve Gets the Sniffles
• S2.E2 ∙ What Does Blue Want to Build?
• S2.E3 ∙ Blue's Senses
• S2.E4 ∙ What Experiment Does Blue Want to Try?
• S2.E5 ∙ What Does Blue Want to Make Out of Recycled Things?
• S2.E6 ∙ What Was Blue's Dream About?
• S2.E7 ∙ Blue's ABC's
• S2.E8 ∙ Math
• S2.E9 ∙ Blue's Birthday
• S2.E10 ∙ What Does Blue Want to Do with Her Picture?
• S2.E11 ∙ What Does Blue Want to Do on a Rainy Day?
• S2.E12 ∙ Blue's Surprise at Two O'Clock
• S2.E13 ∙ The Lost Episode
• S2.E14 ∙ Blue's Sad Day
• S2.E15 ∙ What Game Does Blue Want to Learn?
• S2.E16 ∙ What Did Blue See?
• S2.E17 ∙ Nurture
• S2.E18 ∙ Blue Is Frustrated
• S2.E19 ∙ What Is Blue Trying to Do?
• S2.E20 ∙ Mechanics
• S2.E21 ∙ Hide and Seek
• S2.E22 ∙ Blue's Big Holiday

• S3.E1 ∙ Blue's Big Treasure Hunt
• S3.E2 ∙ Art Appreciation
• S3.E3 ∙ Weight and Balance
• S3.E4 ∙ What's That Sound?
• S3.E5 ∙ Animal Behavior
• S3.E6 ∙ Blue's Big Pajama Party
• S3.E7 ∙ Draw Along with Blue
• S3.E8 ∙ Thankful
• S3.E9 ∙ Pool Party
• S3.E10 ∙ Anatomy
• S3.E11 ∙ Signs
• S3.E12 ∙ Nature
• S3.E13 ∙ Geography
• S3.E14 ∙ Occupations
• S3.E15 ∙ Blue's Big Mystery
• S3.E16 ∙ Periwinkle Misses His Friend
• S3.E17 ∙ What's So Funny?
• S3.E18 ∙ Inventions
• S3.E19 ∙ Blue's Play
• S3.E20 ∙ Prehistoric Blue
• S3.E22 ∙ Blue's Big Costume Party
• S3.E23 ∙ Opposites
• S3.E24 ∙ Blue's Collection
• S3.E25 ∙ The Wrong Shirt
• S3.E26 ∙ Magenta Gets Glasses
• S3.E27 ∙ Environments
• S3.E28 ∙ Stormy Weather
• S3.E29 ∙ Shy
• S3.E32 ∙ Cafe Blue

• S4.E1 ∙ Imagine Nation
• S4.E2 ∙ Adventure!
• S4.E3 ∙ The Anything Box
• S4.E4 ∙ Superfriends!
• S4.E5 ∙ What's New, Blue?
• S4.E6 ∙ Blue's New Place
• S4.E7 ∙ Mr. Salt and Mrs. Pepper Day
• S4.E8 ∙ The Baby's Here!
• S4.E9 ∙ Making Changes
• S4.E10 ∙ Bugs!
• S4.E11 ∙ ¡Un día con Plum!
• S4.E12 ∙ What's Inside?
• S4.E13 ∙ Blocks
• S4.E14 ∙ Blue's Backyard Ballgame Bonanza
• S4.E15 ∙ Puppets
• S4.E16 ∙ Rhyme Time
• S4.E17 ∙ Let's Plant
• S4.E18 ∙ Blue's Book Nook
• S4.E19 ∙ Let's Boogie
• S4.E20 ∙ Blue's School
• S4.E21 ∙ Something to Do Blue
• S4.E22 ∙ Joe's First Day
• S4.E23 ∙ Joe Gets a Clue
• S4.E24 ∙ Steve Goes to College

• S5.E1 ∙ Can You Help?
• S5.E2 ∙ Colors Everywhere!
• S5.E3 ∙ The Snack Chart
• S5.E4 ∙ 100th Episode Celebration
• S5.E5 ∙ The Big Book About Us
• S5.E6 ∙ Playing Store
• S5.E7 ∙ Patience
• S5.E8 ∙ Joe's Surprise Party
• S5.E9 ∙ I'm So Happy
• S5.E10 ∙ The Boat Float
• S5.E11 ∙ Bedtime Business
• S5.E12 ∙ Shape Searchers
• S5.E15 ∙ A Brand New Game
• S5.E16 ∙ Contraptions
• S5.E17 ∙ Dress Up Day
• S5.E18 ∙ A Surprise Guest
• S5.E19 ∙ Up, Down, All Around
• S5.E20 ∙ The Story Wall
• S5.E21 ∙ The Alphabet Train
• S5.E22 ∙ Numbers Everywhere!
• S5.E23 ∙ Blue's Predictions
• S5.E24 ∙ Our Neighborhood Festival
• S5.E25 ∙ Blue Takes You to School
• S5.E26 ∙ Meet Polka Dots!
• S5.E27 ∙ The Scavenger Hunt
• S5.E28 ∙ Let's Write!
• S5.E29 ∙ Magenta's Messages
• S5.E30 ∙ Blue Goes to the Doctor
• S5.E31 ∙ Blue's Big Car Trip
• S5.E32 ∙ Look Carefully...
• S5.E33 ∙ I Did That
• S5.E34 ∙ Animals in Our House?
• S5.E35 ∙ Morning Music
• S5.E36 ∙ Blue's First Holiday
• S5.E39 ∙ Body Language

• S6.E1 ∙ The Legend of the Blue Puppy
• S6.E2 ∙ Love Day
• S6.E3 ∙ Blue's Wishes
• S6.E4 ∙ Joe's Clues
• S6.E5 ∙ Skidoo Adventure
• S6.E6 ∙ Playdates
• S6.E7 ∙ The Fairy Tale Ball
• S6.E8 ∙ Soccer Practice
• S6.E9 ∙ Bluestock
• S6.E10 ∙ Blue's Room Snacktime Playdate
• S6.E11 ∙ Colors!
• S6.E13 ∙ Blue's Charts!
• S6.E20 ∙ Blue's Big Band