The Uncanny Valley | [s5e12]

The title refers to the psychological theory that human-like figures (like dolls or robots) become increasingly unsettling as they look more, but not perfectly, human.

The BAU discovers Samantha was the victim of horrific abuse by her father, Dr. Arthur Malcolm. He molested her and other patients, giving her dolls as "gifts" after each assault and using electroshock therapy to repress her memories and keep her silent. [S5E12] The Uncanny Valley

Dr. Spencer Reid plays a pivotal role, using a gentle, empathetic approach to talk Samantha down without handcuffs at the end. He eventually returns her original dolls to her, which immediately makes her docile. The title refers to the psychological theory that

Unlike many of the show's more malicious killers, Samantha is portrayed with immense pathos. He molested her and other patients, giving her

The episode features a notable performance by Jonathan Frakes (of Star Trek fame) as the predatory Dr. Malcolm, and a chillingly moving performance by Jennifer Hasty as Samantha. S5E12 - “The Uncanny Valley”