Glen Morgan returns as writer, and also as director, when Mulder and Scully go to Philadelphia to investigate murders related to a homeless relocation project.

Mulder and Scully are brought in to investigate a series of murders whose prime suspect is able to transform between human and reptile forms.

Mulder and Scully investigate a strange suicide in a medical research facility.

Mulder and Scully return again in the event series, 23 years after the series originally hit the airwaves.

Another procedural show spoofs The X-Files and guest stars some very familiar performers.

Mulder and Scully return to the silver screen to save the lives of kidnapped villains with the help of a psychic sex offender.

A look back at the entirety of season nine.

Mulder returns, and is put on trial for his life in the original series finale.

Doggett and Reyes investigate a murder in... the Brady house?

John Doggett finally gets closure regarding the death of his son.