Song Time!
- A Cappella: Mailbox 4, consisting of our Mailbox and three smaller colleagues, sings the song Mailtime in A Cappella form
- Adapted Out: Periwinkle does not appear in this version of the episode.
- Continuity Nod: During their rendition of "Old McDonald Had a Farm" in Bluestock, Joe brings out his stuffed duck Boris.
- Internal Homage: This episode is a homage to the episode of the same name from the original series.
- Fleeting Demographic Rule: An updated version of "Bluestock" although compared to the other reboot episodes this one has a slightly more original plot.
- Let's Duet: Josh and Joe sing a duet of the song "Old Mc Donald had a farm" at the end of the episode.
- Musical Episode: In this episode Josh and Blue organize a backyard musical and characters sing iconic songs sung in the original series (Including the exclusive version of "Hi There" sung only on the series albums).
- Palette Swap: Three smaller Mailbox recolors sing the Mailtime song with him.
- Unseen No More: The Mailbox trio that announces Mailtime appears for the first time here.
- Special Guest: Aly Brooke joins Magenta to sing "I'm so Happy".
- Special Thanks: The credits thank the people who worked on the original series' episode of same name.
