When Donnie upgrades Metalhead's artificial intelligence, he must decide if he can trust a sentient Metalhead... or if he has created a new foe.
Episode rating
Cast of episode
- 78
- 9
- 7
- 1
- Donatello
- Michelangelo
- Raphael
- Splinter
- Leonardo
- The Kraang
- Spider Bytez
- Slash