This is the first episode where the setting takes place entirely at night.
There's a deleted scene that features special guest star: Julia Louis-Dreyfus that only appears in the opening and post-credits scenes. This only appeared in the original airing. These can be found in https://www.youtube.com/watch?v=7XLuUKLAMVI
Sidetable Drawer was asleep by the time Steve went to get the notebook. When he did, she muttered her original quote: "Blue's Clues, I'm so excited." in her sleep as she opened her drawer so Steve can get the notebook.
This is the second episode to have Steve and Blue floating in Space in the Skidoo segment.
Instead of the page flipping and the white background with the navy blue letters, the closing credits for this episode are in bright yellow with a black, starry background.
During the credit sequence the moon appears four times; It said "Bye" twice and then "Good night" and finally a "bye-bye."
Also in this credit sequence, the ball and Blue don't appear, Blue doesn't wink at us and kick her ball and go before the book closes, after the credits fade out, they just get to the back of the book and it just closes.
This is the final television episode in which Jenna Marie Castle provides the voice of Paprika.
The lyrics to the So Long Song have changed a bit in this episode, "But will sing just one more song" has changed to "So we'll sing this goodnight song", "Thanks for doing your part" has changed to "Thanks for coming tonight", "You sure are smart" has changed to "You sure are bright".
The Mailtime barbershop quartet singing is the same as the other episodes, but it has a nighttime arrangement rather than the regular arrangement.
When Steve says sleeping bag three times, he yawns.
This is the third episode where Steve was shown yawning.
This is seventh episode where viewers say "Notebook!" from "Mailbox's Birthday" was not used.
This is the debut of the improved version of Steve's hair from Hide and Seek, but this time, his bangs were added again.
The usual Blue's Clues instrumentals are replaced with a different kind of music to go along with the quiet version of the Blue's Clues song.
This episode does not end with the reversed scene of the door closing and Blue waving goodbye to the viewer in one of the windows, Steve quietly sings the So Long Song in his bedroom instead of the living room, and Blue does not join in, or show up at the window to wave goodbye to the viewer because she is sleeping in her bed, and it ends when Steve turns off the light.