Trivia
- This episode is the first appearance of Paprika since the third season. Her previous voice actress, Jenna Marie Castle, has now been replaced by Corrine Hoffman.
- The episode's title is based on the 1970s cartoon Superfriends.
- Kathryn Avery has officially been replaced by Kelly Nigh for the voice of Tickety since Blue's Big Musical.
- Mr. Salt's orange juice pops being ready at 2:00 is an exact reference to "Blue's Surprise at Two O'Clock!"
- The drawing of the Steve version of "Stripe Man" remains the same in all international versions of this episode.
- At the end of the Mailtime Song, Steve didn't wail out "Mail". Instead, a trumpet sound was heard, then Steve says "The mail's here" in his superhero voice.
- This is the first time Steve actually gets to see Blue leave a clue.
- Sidetable Drawer's superhero outfit and identity "Wonder Drawer" is based on Wonder Woman.
- This is the second time Steve draws bubbles as the first clue.
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