Raphael meets Casey Jones and the two teen vigilantes must work together to prevent a Foot Bot from revealing the lair's location.
This episode provides examples of:
- Affectionate Parody: Casey's vigilantism brings to mind Anti-Hero characters with strong Black-and-White Morality beliefs who employ Internal Monologues, and Casey has the weapons and fashion sense to match... But since Casey is a teenager, these just make him look like a huge dork, while somehow not downplaying how effective he is at crimefighting at all.
- Badass Boast: Casey gives one to the Purple Dragons.Casey: I'm the last guy you see before you wake up in the hospital.
- Big "SHUT UP!": To test to see if Raph has his temper in check, Mikey counts down from 10 to 1, and Raph yells this after Mikey says 1, showing that Raph still can't control his temper.Raph: SHUT UP!
- Chekhov's Gun: Early in the episode, Casey zaps Raphael with a taser. It is later used to destroy a Foot Bot.
- Conservation of Ninjutsu: When the Foot Bots fight the Turtles, they're about as effective as most Mecha-Mooks, but the one that Casey and Raph chase is considerably more nimble, effective and uses the area to its advantage more than the masses fighting the turtles and being easily taken apart.
- Continuity Nod: Apparently, Casey's brawl with the Foot Bots back in Target April O'Neil ended up closing the hockey rink for several weeks.
- Curb-Stomp Battle/No-Holds-Barred Beatdown: Casey pretty much delivers one to the Purple Dragons.
- Fire-Forged Friends: Raph and Casey.
- Internal Homage: The way Raph meets Casey is reminiscent Raphael #1 from the Mirage Comics, which was also recreated in first movie, and 2003 cartoon. Raph goes out to blow off steam, sees Casey beating up criminals and stops him from going too far and the two engage in a fight, take down a common enemy and become friends. Also like the comics and 2003 cartoon, the reason Raph is on the surface is to cool off after hurting one of his brothers during a training session.
- Internal Reveal: Casey meets the "other friends" April mentioned previously.
- Ironic Echo: Raph repeating 'Anger is a dangerous ally.' to Casey when Splinter was the one who says it to him first.
- Mythology Gag:
- Casey's notebook drawing of him defeating Raph looks a lot like something right out of the pages of the Mirage comics.
- The name "Eastman" can be seen written on Casey's hockey stick when he fights the Purple Dragons. The name "Laird" can be seen on his gloves, most clearly at the end.
- Casey fainting when meeting Master Splinter. In the 1987 and 2003 version, this happened to April.
- Never Trust a Trailer: The episode's promo depicted a scene with Raph tied up by Mikey's nunchuck chains and Mikey trying to get Raph to calm down, which didn't show up anywhere in this episode and was part of Fungus Humungous.
- Nice Job Breaking It, Hero: Raph unknowingly lets Casey into the lair, who is unknowingly followed by the Foot Bots.
- Not Bad: Raph and Casey give each other this compliment after they stop the Foot Bot together.
- Oh, Crap!: Donnie when he realises they now have to put up with two Raphaels.
- Recurring Extra: The old Asian man shows up and gets mugged by the Purple Dragons.
- Shock and Awe: Casey made an improvised version of this
- Shout-Out: Casey wears faceprint under his mask like Hunter Rose does in Matt Wagner's Batman/Grendel Crossover. (makes a similar face when the mask is pulled off too.)
- Spared by the Adaptation: Judging by Casey's diary, his father is alive and well as opposed to the Posthumous Character he is in the 2003 show and Mirage comic books.
- Took a Level in Kindness: Casey saves Raph from being run over by a subway. Compared to his debut where he just smacked hockey pucks around and didn't care who got hurt, this was a significant change.
- Traintop Battle: Raph and Casey fight a Foot Bot on a subway car.
- What the Hell, Hero?: Splinter calls Raph out for unnecessarily going out on Leo during a training session and for letting his anger get the best of him.
