Storyline:
When robotics engineer Gemma becomes the guardian of her orphaned niece, Cady, she thinks her new invention, a robotic AI, will be a good companion. However, M3GAN begins to behave in unexpected and shocking ways.

Cast:

Allison Williams Gemma

Violet McGraw Cady

Ronny Chieng David

Amie Donald M3gan

Jenna Davis (voice) M3gan