Template:TMNT season navigation The following is a list of episodes in the third season of Teenage Mutant Ninja Turtles, listed in production order.
Starting in this season, Seth Green took over as Leonardo's voice.
Episodes[]
| Image | # | Title | Original air date (United States) |
Prod. code |
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53 | "Within the Woods" | October 3, 2014 | 301 |
| Three months after being driven out of New York and narrowly escaping from Shredder and the Kraang, the gang take shelter at April's family farmhouse in Northampton, Massachusetts to recover and figure out how to stop the Kraang. The Turtles also deal with not having Splinter around, the possibility of Leo not making a full recovery, and a mysterious creature that is stalking the group. | ||||
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54 | "A Foot Too Big" | October 10, 2014 | 302 |
| After Donatello once again tries to impress April (this time with a music box), he discovers and befriends Bigfoot, who is being hunted by a collector named The Finger. Donatello then convinces the others to help protect it. However, Bigfoot (who is a girl) grows to have a crush on Donatello and tries to win him over. Donatello realizes that Bigfoot liking him has the same effect as him liking April. | ||||
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55 | "Buried Secrets" | October 17, 2014 | 303 |
| The Turtles discover a lost Kraang scout ship under the house and find April's lost mother. However, Mikey has suspicions that April's mother may not be who she appears to be. Even though no one believes him, they soon learn that she is actually a Kraang creature infused with the real Mrs. O'Neil's human DNA and memories. | ||||
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56 | "The Croaking" | November 7, 2014 | 304 |
| After getting in trouble for trashing the house, Michelangelo gets upset and flees. After meeting Napoleon Bonafrog, he unknowingly joins them in a plan to capture the humans and take over the nearby city. | ||||
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57 | "In Dreams" | November 14, 2014 | 305 |
| When the Turtles are trapped in their dreams by a brotherhood of outer-dimensional beings called the Dream Beavers, April tries to wake them up using her inherent psionic abilities, and Casey goes to find a man who holds the key to stopping the Beavers from draining the Turtles' life-force. | ||||
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58 | "Race with the Demon!" | November 21, 2014 | 306 |
| Casey and Donatello must put aside their differences and work together to build a hot rod when a mutant car called Speed Demon endangers them and their friends. | ||||
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59 | "Eyes of the Chimera" | January 11, 2015 | 307 |
| When a mutant Chimera (created by mutagen combining a falcon, a fish that it caught, and a worm that was in the fish's mouth) is created by Speed Demon's mutagen (from the previous episode), it kidnaps Casey, Raph, Mikey and Donnie, leaving April and Leo to stop it while overcoming their own disabilities; which is made even more difficult when April's mental link with the Chimera allows her to see through its eyes and feel its pain. | ||||
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60 | "Vision Quest" | January 18, 2015 | 308 |
| When the Turtles go to train in the woods to make them all more one with nature, they are visited by a spiritual manifestation of Splinter, who informs them that they must overcome their weaknesses by facing off against their enemies in a vision quest to prepare themselves for their return to New York. | ||||
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61 | "Return to New York" | January 25, 2015 | 309 |
| Upon returning home to New York City, the Turtles discover that the city has been overrun with Kraang Droids and Foot Bots. As they travel through the Kraang filled city, they find out that Splinter is suffering amnesia due to the injuries he got from his battle with Shredder. Splinter is then captured by the Foot Clan and held hostage by Stockman-Fly and three Shredder Mutants created from the DNA of Shredder and some crustaceans. | ||||
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62 | "Serpent Hunt" | February 1, 2015 | 310 |
| As Splinter feels disheartened without Karai back in the family, the Turtles search for her, but are confronted by Zeck and Steranko, who are also looking for Karai to exchange to Shredder for protection from the Kraang populace. | ||||
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63 | "The Pig and the Rhino" | March 8, 2015 | 311 |
| After Donnie finishes a new batch of retro-mutagen in hopes of returning Karai back to normal, the Turtles set out with April and Casey to search for her again. They find themselves being hunted by Zeck and Steranko (who were mutated by Shredder into the warthog and white rhinoceros mutants Bebop and Rocksteady at the end of the last episode) where they are sent to find Karai again as well. | ||||
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64 65 |
"Battle for New York" | March 15, 2015 | 312 313 |
| Part One: When the Turtles encounter a Kraang resistance team of mutants called "the Mighty Mutanimals" (consisting of Slash, Leatherhead, Dr. Tyler Rockwell's monkey form, and Pigeon Pete and backed by Jack J. Kurtzman), Leo and Slash butt heads over how to carry out a mission when Kraang Sub-Prime leads the Kraang in a plot to mutate the entire Earth with a giant mutagen-filled missile.
Part Two: Working together alongside the Mighty Mutanimals, the Turtles must brave the bizarre, upside-down world of Dimension X to bring home the enslaved people of New York while fighting Kraang Sub-Prime and Mrs. Campbell. | ||||
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66 | "Casey Jones vs the Underworld" | March 22, 2015 | 314 |
| Livid for being left behind by the Turtles to save New York with the Mighty Mutanimals (from the previous episode), Casey tries to prove that he can take on the criminal underworld on his own. However, he discovers that he is in way over his head, when the Shredder gets Manhattan's criminal underworld on the Foot Clan's side. Casey also goes head to head with the Purple Dragon's new and official leader Hun, as the Foot Clan plans to use a factory in the Purple Dragon's territory to further the Foot Clan's latest plot. | ||||
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67 | "The Noxious Avenger" | April 26, 2015 | 315 |
| When Garson Grunge, a humble garbage man who had encounters with several mutants during his career as a sewer worker, is accidentally mutated into the garbage mutant Muckman during a face-off between the Turtles and Bebop and Rocksteady, he gains notoriety as New York City's "Monster Hero" after he saves a man from the Purple Dragons. However, Muckman blames the Turtles for his mutation. The Turtles' situation is complicated further not only when Splinter grounds them for getting caught by a news crew that was following Muckman, but also when Bebop and Rocksteady trick Muckman into helping them find an ingredient for a mind-control serum. | ||||
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68 | "Clash of the Mutanimals" | May 3, 2015 | 316 |
| With his mind-control serum completed, Shredder uses it to infect Slash and Dr. Tyler Rockwell. Under Shredder's control, they kidnap Raphael and infect him as well, intending to use them to kill the turtles and the mutanimals. | ||||
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69 | "Meet Mondo Gecko" | May 10, 2015 | 317 |
| While hanging out together, Michelangelo and Casey meet a skateboarding leopard gecko mutant Mondo Gecko. While Mikey makes quick friends with the mutant, Casey is suspicious of Mondo's true intentions as he is an errand person for Mr. X (an alias of Fishface). | ||||
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70 | "The Deadly Venom" | May 17, 2015 | 318 |
| With Karai brainwashed by Shredder's mind-control serum she begins hunting and poisoning the Turtles as well as April and Casey. Splinter teaches Leonardo a special healing mantra that can effectively counteract the potentially lethal venom of Snake Karai. | ||||
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71 | "Turtles in Time" | August 2, 2015 | 319 |
| When the Turtles encounter a clumsy Time Master in Training named Renet, they must help her in retrieving her time-controlling scepter from an evil Mutant Time Master known as Savanti Romero, in Medieval England. | ||||
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72 | "Tale of the Yokai" | August 9, 2015 | 320 |
| Now trapped sixteen years in Tokyo, Japan's not-too-distant past, after an accident with Renet's Time Scepter, the Turtles encounter a sixteen-year younger Hamato Yoshi and Oroku Saki, in the middle of their escalated rivalry over Tang Shen's heart, and the infant Miwa's stolen life and future as Karai. | ||||
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73 | "Attack of the Mega Shredder!" | August 16, 2015 | 321 |
| The Turtles attempt to steal one of the Shredder's Worms in order to make a cure for the Mind-Control Serum, only for them to face Shredder's biggest mutant yet. | ||||
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74 | "The Creeping Doom" | August 23, 2015 | 322 |
| After Michelangelo fools around in his lab, an accident causes Donatello's Intelligence to drop rapidly, as well as revive both the Creep, and Snakeweed. | ||||
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75 | "The Fourfold Trap" | September 13, 2015 | 323 |
| After being kidnapped by the hypnotized Karai, the Turtles are placed in deadly traps that they must work together in order to escape. Splinter, in his efforts to save the turtles, is forced to face his daughter, Karai, in order to free her from Shredder's mind control. | ||||
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76 | "Dinosaur Seen in Sewers!" | September 20, 2015 | 324 |
| Raphael meets and "befriends" a delusional Alien Dinosaur known as Zog, the Triceraton. However, after it attacks the Mutanimals, and is reputable for being feared by the Kraang, is there more to the savage alien dinosaur than meets the eye? | ||||
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77 78 |
"Annihilation: Earth!" | September 27, 2015 | 325 326 |
| Part One: After learning that the Earth is in danger of being invaded by both the Kraang in their repaired Technodrome and the Triceraton Empire, the Turtles, April, Casey, Leatherhead, and a Kraang rebel known as "Bishop" must work together to take out the Technodrome before the Triceratons arrive and wipe out the Earth.
Part Two: Even after recruiting the Mutanimals and some old friends to help them, with Michelangelo kidnapped, and time running out for the Earth, the Turtles must stage a rescue for their youngest brother from the Triceraton Empire. Meanwhile, Splinter and the Shredder are forced to form an uneasy alliance to stop the Triceratons from activating a device that creates a lethal Black Hole that will swallow all of Earth. | ||||