Carnival of Killers: The chapter involves a bounty made by Shredder's subordinates to the Kraang to capture the Hamato Children alive, resulting an increase in Foot Bot activities. When Shredder finds out about it, he has the bounty rescinded.
Internal Reveal: It is here that Casey Jones is let in on everything the Hamatos have been involved in, including the Kraang and Raphael's mutation.
Self-Destructing Security: Due to malware put in place by Donatello, any attempts at finding public knowledge of the Hamato Clan (up to including typing "Hamato" on Google) crashes computers instantly.
Shout-Out: When staring at himself in the mirror in his vigilante outfit, Casey flexes saying "I'm Batman."