Donnie'smotion sensors have faces and make sounds that resemble the same appearance as the popular electronic robot toy Furby.
During the fight between Leonardo and the Foot Cultists, he was using only one of his Katana Swords while the other one was in his holster. After a while of fighting, the sword that was in his holster disappears out of nowhere.
When Donatello was reading out loud about Kavaxas from the page he found, Kavaxas' name at some point was misspelled "Kavasax".
The title of the episode was confirmed through a photo of the cover of the script, with the post stating that the studio was recording the episode.