This episode breaks from traditional format in a couple of ways. Blue gets to clean the pawprint off the screen, but it is normally Steve that does it, or Joe in later episodes. Also, Mailtime takes place rather close to the end of the episode, instead of more towards the middle. Additionally, rather than being hidden, one of the three snails is pointed out and discussed. (edit) Michael T. Smith is credited as Michael Smith. (edit) Magenta comes over to Blue's house, but this isn't her first visit. We also saw her back in "Blue's Story Time." (edit) Mailtime Segment: A friend comes over to a house to play. So everyone has fun, playing with blocks, having a snack and playing dress-up. Afterwards, the "Mailtime" song starts up again. It turns out that Mailbox has a special package for Steve, containing something very important. (edit)

Kid: A clue! A clue!
Steve: No, all I see is you. (edit) Steve: A brown paper package, all tied up with strings. This is one of my favorite things. (edit) Steve: Racecars, for a snack?
Mr. Salt: Not mere racecars. Racecars made out of food. (edit)

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Steve: This is one of my favorite things.
Steve references the lyrics of "My Favorite Things" from The Sound of Music when talking about the package he gets from Mailbox.

Raindrops on roses
And whiskers on kittens
Bright copper kettles
And warm woolen mittens
Brown paper packages tied up with strings
These are a few of my favorite things (edit)