One Man's Junk
- All for Nothing: Not only do Leo and Raph mess up Donnie and Mikey's plan, but it turns out that the Foot Clan picked up the armor piece from Repo Mantis before the turtles even showed up.
- Breaking the Fourth Wall: When the subject comes up, Donnie addresses the audience, pointing out that praying mantises do cannibalize each other in real life.
- Brick Joke: See Surprisingly Realistic Outcome below.
- Cutting the Knot: Raph says the word "smash" a lot when explaining his plan to get the armor piece back from Repo Mantis.
- Instantly Proven Wrong: Donnie claims Repo Mantis is predictable, only to be startled when the guy approaches him from behind.
- Rimshot: When Leo makes a pun, we hear one of these. It was caused by Raph brushing against a drum set someone left in the junkyard.
- Save the Villain: At Mikey's insistence, the turtles save Repo Mantis from his cat.
- Say My Name: Leo seems to be cheering Raph on, though it's quickly revealed he's trying to wake him up after he passed out.
- Schmuck Bait: Repo Mantis warns the turtles not to go in a marked off bus. Leo and Raph investigate and end up unleashing Repo Mantis' monster cat.
- Wingding Eyes: Repo Mantis gets dollar signs in his eyes when Mikey and Donnie offer him money.
Snow Day
- Aesop Amnesia: Despite knowing Ghost Bear is now an enemy, Raph doesn't waste his time taking selfies of him in his mutant form.
- An Aesop: It doesn't matter which parts of a series are best. You're all fans and you shouldn't fight about it.
- Big "NO!": The group let one out when Ghost Bear destroys their snowman.
- The Cameo: The Foot Lieutenant and Foot Brute are seen sitting on a bench in the park.
- Cold Snap: As the title says, it's a snow day. The turtles and April even sing a song about it.
- Evil Is Petty: Ghost Bear attempted to destroy the snowman the Turtles and April made all because it's what they love the most.
- Group Hug: The gang has one after realizing the aesop above.
- Here We Go Again!: After dealing with Ghost Bear and resolving their differences, Leo demands to know why Raph’s scarf is on top of their flag just as the episode concludes.
- I'm Standing Right Here: During a brief lull in the fight, the gang works out their differences, despite Ghost Bear still being present, which he lampshades.Ghost Bear: Villain over here.
- Insane Troll Logic: Raph and Leo somehow believe that April threw a snowball at Raph from behind despite her being right in front of them.
- Intangibility: Ghost Bear is able to himself intangible upon being mutated.
- One-Winged Angel: Thanks to an oozesquito, Ghost Bear turns into a polar bear mutant.
- Snowball Fight: The gang gets into one while deciding whose flag to fly for their snowman.
- You Monster!: Leo calls the mutated Ghost Bear one, and not just because of how he looks.
