When Steve shouted "You see a clue!?" for the first clue, he sounded angry at the viewers (the second time he said it). The storybook drawings in the library include Hey Diddle Diddle (in the living room picture frame), Rapunzel, The Three Little Pigs, Little Red Riding Hood, The Itsy Bitsy Spider, Humpty Dumpty, Mary Had a Little Lamb, and Twinkle Twinkle Little Star. Kirkorian, Heather L.; Ellen A. Wartella; Daniel R. Anderson. (Spring 2008). "Media and Young Children's Learning". The Future of Children 18 (1): 39–61 doi:10.1353/foc.0.0002 The 2002 studies demonstrated that experience with watching one TV series affects how children watch other programs, especially in the way they interact with them. [141] They also showed that since children are selective in the material they attend to and that their interaction increases with comprehension and mastery, children tend to pay more attention to novel information and interact more with material they have seen before and mastered. According to Crawley and her colleagues, Blue's Clues demonstrated that television could empower and influence children's long-term motivation for and a love of learning. As they stated, "One need only to watch children watch Blue’s Clues to realize that they respond to it with enormous enthusiasm". [146]

According to Tracy, Wilder, who had a doctorate in educational psychology, reinvented the role of research in children's television, and helped train the writers and animators to trust and use research. Wilder also developed the curriculum that guided the program's script development and implemented its formative research. [34] [35]Cinnamon says "Whenever we have a problem, we solve it over waffles." referencing the plot for the Jonas Brothers recent song "Waffle House." listen to it here. https://youtu.be/TasKo5HHWb4 There is a picture of The Itsy Bitsy Spider even though it was the answer to Blue’s Clues in Blue Wants to Play a Song Game when Blue left three clues on a sun, rain and a spider and there was even a spider in Chalk Girl’s story in Draw Along with Blue and there was also a spider in The Trying Game when Steve saw a Spider spinning webs like her spider dad, and in Blue's Big Treasure Hunt when Steve and Blue saw Little Miss Muffet and she had a spider frighten her away. Mailbox's favorite party game was originally Musical Chairs. This is the answer to Blue's Clues in " Mailbox's Birthday". However, in the later episode " Blue's Birthday," he says his favorite game is Pin the Flag on Mailbox (Postbox in the UK). When Joe says, "Blue, you got me!" after getting tagged, the story ends and Joe and Blue didn't bring Blueberry Pancakes to Grandmother's house after all.

Aly (played by Izzy Nagel) is Periwinkle's owner; she never appeared or was mentioned in the original series until her debut in "A Blue's Clues Festival of Lights" in the reboot series.This is the second time Sidetable Drawer appears without the host getting the notebook from her. The first was Blue and Little Rainbow Riding Hood. This is the ninth time where a star was seen. The others being Pretend Time, Blue's Collection, Meet Polka Dots!, Sleepy Singalong with Blue, Spring is Here!, and Blue's Anywhere Box Surprise when stars were drawn, Blue's ABCs when Steve and Blue read Twinkle Twinkle Little Star, Sleepy Singalong with Blue when Josh singing Twinkle Twinkle Little Star when Blue left three clues on a star, Josh’s guitar, and Josh himself, and Magenta's Thank You Day Surprise when there was a picture of a star. Paprika (voiced by Jenna Marie Castle as a baby and by Corrine Hoffman as a toddler in the original series and by Shechinah Mpumlwana in the reboot series from 2019 to 2020 and currently by Abigail Nicholson since 2020) is Mr. Salt and Mrs. Pepper's daughter. She first appears in "Blue's News". In the first three seasons, she is a baby and only speaks in incomplete sentences. She has an orange gummy teddy bear and sleeps in a crib made from a peanut. In the fourth season, Paprika becomes a toddler and prepares to be a responsible sibling after the announcement of Mrs. Pepper's second child. In the reboot series, she gets older and is now a preteen.

In the reboot, Mailbox's design is slightly updated. His body gets a metallic shine, and he has some visible dents. He also has a tongue and a more reddish mouth. He is voiced by Doug Murray. In Mailtime Mystery, the song was played six times while the sixth one being a never-before seen extended version. The Big Bad Wolf, who name is Wolfie, is taking a deep breath like Steve, Mr. Salt, Mrs. Pepper, Mailbox, Bunny/Rabbit, and Blue did in Blue Is Frustrated when they all stopped, breathed and thought.

Pearl (voice by Sadie Trant) is a clever and cheerful bunny who has albinism and nystagmus who debuted in "Something New at Blue's School". a b Kiesewetter, John (29 April 2002). " 'Blue's Clues' puts on new host, new shirts". Cincinnati Enquirer. Archived from the original on 2013-01-02 . Retrieved 15 June 2021. Carlozo, Louis R. (22 August 2006). " 'Clues' turns 10; 'Arthur' enters new sphere". Chicago Tribune.

Yep, you guessed it! Your letter is from me! I'm purple, I have a flag, and I can't wait to come over every day to see you. I wrote you a little poem: In "Making Changes", Mailbox couldn't get in the house because of the closed window, so Steve and Blue could open the window & let him in. The music piece played during Musical Chairs would later become the "Pin the Flag on Mailbox" song in " Blue's Birthday". In Blue's New Place, Mailbox was so busy dancing and listening to music that he forgot to deliver the mail. Moore, Frazier (June 15, 1998). "Success of 'Blue's Clues' is no mystery". SouthCoastToday.com . Retrieved November 12, 2020.I see. Who is purple, has a flag, and can't wait to come over every day? Do you know? Oh yeah, Mailbox! It's you!