S9E5
The Showdown
⚠ Spoiler alert This recap gives away what happens in this episode.
Episode Summary & Review
Using a Hypno Transmitter, Dregg is disrupting all the TV stations in the city with a hypnotic signal, which becomes permanent after 20 minutes. After the Turtles destroy his transmitter, Dregg decides to replicate the Turtles’ mutagen in order to make his Techno Gang invincible.