# Teenage Mutant Ninja Turtles (1987 TV series) season 5

The fifth season of Teenage Mutant Ninja Turtles aired in 1991. First being located on the Volcanic Asteroid in Dimension X where it remained throughout season 4, for most of this season, the Technodrome is frozen at the North Pole. The transport modules from season 3 are reused, this time to drill underneath Canada and into New York City.
Episodes #119 and #120 originally ran as a 1-hour prime-time special titled "Planet Of The Turtleoids". When reran, it was split into two parts.

## Episodes

* All twenty fifth-season episodes were directed by Fred Wolf.
| No. overall | No. in season | Title | Written by | Original release date | TV broadcast |
| 107 | 1 | "My Brother, the Bad Guy" | Dennis O'Flaherty | September 14, 1991 (1991-09-14) | S05E01 |
| A family secret is revealed when Lieutenant Kazou Saki of the Tokyo Metropolitan Police arrives from Japan to arrest his brother Oroku Saki, who turns out to be the Turtles' greatest enemy. Shredder and Krang manage to get the Technodrome out of Dimension X and back to Earth again, but Donatello re-programs it to crash in the Arctic. ||||||
| 108 | 2 | "Michaelangelo Meets Mondo Gecko" | Gary Greenfield | September 14, 1991 (1991-09-14) | S05E02 |
| Michaelangelo's strange dreams lead him to seek out Mondo Gecko, a lizard who was caught in the same ooze as the Turtles. Gecko eventually rebels against his boss, Mr. X, and his bombing campaign. Note: First Appearance of Mondo Gecko. ||||||
| 109 | 3 | "Enter: Mutagen Man" | David Wise | September 21, 1991 (1991-09-21) | S05E03 |
| A delivery man accidentally falls into Krangs new unstable Mutagen and becomes able to transform into anyone he chooses. Shredder tricks him into helping him launch the Mutagen into space and mutate the world, but this "Mutagen Man" has other ideas. ||||||
| 110 | 4 | "Donatello's Badd Time" | Misty Taggart | September 21, 1991 (1991-09-21) | S05E04 |
| Donatello has tricked out the Turtle Van, but while taking it for a test drive, it's stolen from him by a family of robbing hillbillies. Can Donatello get the Van back in time before his brothers find out? ||||||
| 111 | 5 | "Michaelangelo Meets Bugman Again" | David Wise | September 28, 1991 (1991-09-28) | S05E05 |
| When the city is hit with a sudden termite infestation, the only superhero who can help—Bugman—is too at peace with himself to aid the Turtles in defeating it. Note: Like in the fourth season in the series Michaelangelo Meets Bugman ||||||
| 112 | 6 | "Muckman Messes Up" | Francis Moss and Ted Pedersen | September 28, 1991 (1991-09-28) | S05E06 |
| An accident causes two garbagemen to mutate into Muckman and Joe Eyeball. Muckman's slime is found to weaken the Turtles, and Shredder tricks him into working with him. ||||||
| 113 | 7 | "Napoleon Bonafrog: Colossus of the Swamps" | Dennis O'Flaherty | October 5, 1991 (1991-10-05) | S05E07 |
| While testing an experimental Muta-Shooter invented by Krang, Shredder unexpectedly turns Napoleon Bonafrog into a muscular, monstrous version of himself. ||||||
| 114 | 8 | "Raphael Versus The Volcano" | Carole Mendelsohn | October 5, 1991 (1991-10-05) | S05E08 |
| A malfunction of Donatello's latest invention ultimately results in Raphael believing he is about to die, and ultimately trying to save the world by himself Title Reference: Joe Versus the Volcano ||||||
| 115 | 9 | "Landlord of the Flies" | Gordon Bressack | October 12, 1991 (1991-10-12) | S05E09 |
| Baxter Stockman leads a swarm of flies in an attempt to conquer New York and prove his worth to Shredder and Krang so he can become human again. Title Reference: Lord of the Flies Note: Like in the fourth season in the series Son of Return of the Fly II Note: He will also return in the seventh season in the last appearance of the series Revenge of the Fly ||||||
| 116 | 10 | "Donatello's Duplicate" | Jack Mendelsohn & Carole Mendelsohn | October 12, 1991 (1991-10-12) | S05E10 |
| Tired of fixing everything in the lair, Donatello decides to clone himself so he can work on his other inventions. However, Donatello's clone turns against him and joins the Rat King in an attempt to conquer the city with a rat infestation. ||||||
| 117 | 11 | "The Ice Creature Cometh" | David Wise | October 19, 1991 (1991-10-19) | S05E11 |
| Bebop and Rocksteady botch another mutagen experiment, resulting in a giant ice creature who Bebop dubs "Frosty", and Shredder uses this monster to freeze New York solid, preoccupying the Turtles long enough for him to steal thermal explosives needed to melt the Technodrome free from the ice. Title Reference: The Iceman Cometh ||||||
| 118 | 12 | "Leonardo Cuts Loose" | David Wise | October 19, 1991 (1991-10-19) | S05E12 |
| A nerd-turned-muscleman captures three of the Turtles, and a reluctant Leonardo must ask Casey Jones for help in rescuing them. ||||||
| 119 | 13 | "Planet of the Turtleoids: Episode 1" | David Wise | August 31, 1991 (1991-08-31) (prime-time) October 26, 1991 (Saturday) | S05E19 |
| After clashing with the mutant bull and mole duo Groundchuck and Dirtbag, the Turtles and their new enemies are taken to Shellri-La by an alien "Turtleoid" named Kerma, where our heroes must help defend his planet from a two-headed dragon named Herman the Horrible. Note:Used in the frame in 2 series (parts) of Planet of the Turtleoids, starting from season 5 ||||||
| 120 | 14 | "Planet of the Turtleoids: Episode 2" | David Wise | August 31, 1991 (1991-08-31) (prime-time) October 26, 1991 (Saturday) | S05E20 |
| With Herman the Horrible defeated and exposed as two renegade Turtleoid delegates on Shell-Ri-La, the Turtles return to Earth, where they must destroy Shredder's new Technodrome Mark II and then defeat Chrome Dome. ||||||
| 121 | 15 | "Pirate Radio" | Misty Taggart | November 2, 1991 (1991-11-02) | S05E13 |
| Using a hypnotic microphone and speaker, Shredder takes over a radio station and broadcasts a signal that sends the population of New York City sailing into a dimensional limbo dubbed "Krang's Chasm". ||||||
| 122 | 16 | "Raphael, Turtle of a Thousand Faces" | Dennis O'Flaherty | November 2, 1991 (1991-11-02) | S05E14 |
| Raphael's latest study of disguises leads the Turtles to attempt a rescue when he is mistaken for a mobster named "Mad Dog McMutt". ||||||
| 123 | 17 | "Leonardo, the Renaissance Turtle" | Dennis O'Flaherty | November 9, 1991 (1991-11-09) | S05E15 |
| A mad professor named Mindbender creates a law-enforcement robot named "LEX" to clean up crime in New York, but LEX ultimately starts arresting numerous innocent people for the smallest infraction. With the other Turtles unreachable, Leonardo must discover his own innate skills to stop this rogue robot before he and Mindbender declare themselves dictators of the city. ||||||
| 124 | 18 | "Zach and the Alien Invaders" | Francis Moss and Ted Pedersen | November 9, 1991 (1991-11-09) | S05E16 |
| Zach, the Turtles' young friend, is put into military camp by his parents after making numerous false reports of aliens, only to find two real aliens, Wingnut and Screwloose, brainwashing the cadets to be their army and must call in the Turtles to defeat them. Title Reference: Zak McKracken and the Alien Mindbenders ||||||
| 125 | 19 | "Welcome Back Polarisoids" | Misty Taggart | November 16, 1991 (1991-11-16) | S05E17 |
| Frip the Polarisoid arrives back on Earth with his family for a visit, and must ultimately ask the Turtles for help in reclaiming his camera while helping them stop Krang's latest plan to conquer the city. ||||||
| 126 | 20 | "Michalangelo, the Sacred Turtle" | Dennis O'Flaherty | November 16, 1991 (1991-11-16) | S05E18 |
| While on a visit to an Egyptian Exhibit, Michaelangelo is mistaken for a Pharaoh named "Amun Turt-El", also known as "The Sacred Turtle". ||||||