This episode features Octobella's first full appearance and Percival's first appearance overall, despite the former showing her tentacle back at the end of the Season 3 episode "Gekko Everywhere." However, it is unknown how she managed to get the teleporting crystal off of her tentacle.
The PJ Masks (except PJ Robot) meet Octobella and Percival for the first time.
Catboy drives the Gekko-mobile for the fourth time.
Catboy and Owlette set foot underwater for the first time, despite the former's fear of water.