Original Airdate: May 13, 2001

Writer(s): Chris Carter

Director(s): Kim Manners

Guest Stars
Jay Acovone as Duffy Haskell
Steven Anderson as Dr. James Parenti
Zachary Ansley as Billy Miles
Denise Crosby as Dr. Mary Speake
Frances Fisher as Lizzy Gill
Karon Kearney as 2nd Woman Party-Goer
Annabeth Gish as FBI Special Agent Monica Reyes
Sheila Larken as Margaret Scully
Nicholas Lea as Alex Krycek
David Purdham as Dr. Lev
Arlene Pileggi as 1st Woman Party-Goer
Kirk B.R. Woller as Agent Gene Crane

Script: View

Synopsis: Mulder and Doggett are investigating the death of a doctor who was suspected of experimenting with alien impregnation in an arson attack on a genetics lab. They discovered that Billy Miles who has been changed into an alien replicate, is trying to erase all evidence of the tests. Now, together with Reyes and Krycek, they must protect Scully and her baby.

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