Teenage Mutant Ninja Turtles (1987) episode

Title screen
Season Code: 9
Episode: 8
Guest stars Jim J. Cummings as Doomquest
Original airdate November 4th, 1995
Written by David Wise
Episode chronology
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"Carter, the Enforcer" "The Return of Dregg"
Teenage Mutant Ninja Turtles 1995 Season
List of Teenage Mutant Ninja Turtles episodes


  1. "The Unknown Ninja"
  2. "Dregg of the Earth"
  3. "The Wrath of Medusa"
  4. "The New Mutation"
  5. "The Showdown"
  6. "Split-Second"
  7. "Carter, the Enforcer"
  8. "Doomquest"

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Doomquest is the eighth episode of season 9 of the 1987-1996 series. It originally aired on CBS on November 4th, 1995.


Dregg publicly denounces the Turtles as "deviant terrorists" to a crowd of listening humans, as the Techno-Gang search all over the city for them. As the Turtles listen anxiously, Raphael and Leonardo suddenly mutate again for no particular reason and lumber out into the crowd to take on their enemies. The humans panic and flee from the frightening reptiles, and the Techno-Gang chase them back into retreating.

At the lair, Donatello says that this was caused by the unstable mutagen, which is causing them to become less rational and more aggressive when they mutate. Splinter ominously says that they may have to sacrifice a great deal to stop Dregg.

On the Dreggnaught, Dregg receives the Vortex Crystal, which can warp space and time and allow him to summon his scattered armada. He needs a great deal of power for this, but knows he can trick humans into giving him what he needs. As the first part of his plan, he "gives" the crystal to Earth's people, claiming it will create unlimited clean energy, in order to make them plug it into a power plant.

Suddenly a massive ship appears overhead. A large alien named Doomquest appears, claims the Vortex Crystal is his, and traps Dregg's ship in the hangar of his own. The crystal is actually in the hands of Michelangelo, who escapes with Leonardo, Carter and April in the Turtle Van. Doomquest's lieutenant Drakonis chases after them, knocking the Turtle Van on its side and declaring that Doomquest is actually a benevolent ruler who will use the crystal for good. During the fight, he manages to take the crystal and flee.

Donatello and Raphael mutate and pursue Drakonis, but the presence of the Vortex Crystal suddenly causes them to de-mutate back to normal. The Turtles are more determined to get it than ever.

As the crystal is energized by Drakonis, the dimensional barriers start to rupture, a lightning storm forms over the ship, and the strange winged creatures emerge from a dimensional vortex. The entire city is being invaded by monsters from another dimension. The Turtles set out to stop the extra-dimensional monsters, but their increased aggression and diminished intelligence causes them to fight each other as well.

They arrive at Doomquest's ship just before the Turtle Van expires, and manage to find the crystal with relatively little trouble. Unfortunately, they also find Doomquest waiting for them, and immediately all four of them mutate again; Michelangelo having remained normal until this point. Carter manages to grab the crystal as the Turtles begin fighting amongst themselves, and uses it to turn them back to normal.

Unfortunately, the Dreggnaught happens to appear at that point, and the only thing that Dregg and Doomquest can agree on is that they want the crystal. Donatello tries to keep the Dark Realm from overrunning their own dimension, but the Turtles find themselves pinned down and unable to escape. Leonardo throws the crystal against the side of Doomquest's ship, shattering it and sending Doomquest and all his monsters back into the Dark Realm. Dregg and his followers flee the planet.

April finally is able to broadcast the tape of Dregg's villainous speech, horrifying all the humans who had been blindly following them, and officially bringing Dregg's charade to a close. And as they leave, Donatello spots chips of the crystal on Carter's microsaw, which they might be able to use to stabilize their mutations.

Character voices


Home media releases


  • Teenage Mutant Ninja Turtles Season 9
  • Teenage Mutant Ninja Turtles: The Complete Classic Series Collection


  • Final episode in which Rob Paulsen voices Raphael and HiTech.
  • Final episode to feature the voice of Jim Cummings.
  • Final episode to be written by David Wise.

Animation Errors

  • The giant scorpion's webbing changes position on Michelangelo's face between shots.
  • When Leonardo breaks open the fire hydrant, his mouth doesn't move while he says "This should cool you down.".
  • Whenever Doomquest fires energy blasts from his fingertips, the ends of his fingers open up for the blasts to come out, but during the Turtles' final confrontation with him, his fingertips no longer open up.
  • In the final shot of the front of the Turtle Van at the end of the episode, the lettering on the front is black instead of white.


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