This is the third episode in which the host of any series asks the Viewer where something goes during a game.
The episode first premiered in the UK on April 28, 2021.It is located in the Living Room Picture Frame, the same area as the Present Store from the original episode.Birthday World is very similar to Birthdayland from Blue's Birthday Adventure.
The others being Mailbox/Postbox, Blue, Joe, and Fred from Mailbox's Birthday, Blue's Birthday/ Happy Birthday Blue, Joe's Surprise Party, and Fred's Birthday.