YMMV / The X-Files S04 E06 "Sanguinarium"

• Complete Monster: Dr. Clifford Cox, alias Dr. Jack Franklyn, is a demonic doctor and a narcissistic warlock who, so that he can retain his youth and looks, takes over the minds of various surgeons and has them kill patients in horrific ways, such as draining a patient's blood via liposuction; nearly cutting a patient's head off with a laser; and melting a patient's face off. A nurse, Rebecca Waite, knows of Dr. Cox's true nature and goes to his home to kill him, but Dr. Cox's magically fills her with pins and nails, resulting in her death. At the end, Dr. Cox gets a new job using the alias Dr. Hartman.

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