The X-Files Mythology, Volume 4 – Super Soldiers  The X-Files Mythology – Volume 4 collection is the fourth DVD release containing selected episodes from the eighth to the ninth seasons of the American science fiction television series "The X-Files". The episodes collected in the release form the end of the series' mythology, and are centered on those that involve the alien "Super Soldiers" and Dana Scully's (Gillian Anderson) son, William. The collection contains seven episodes from the eighth season and seven from the ninth. The episodes follow the investigations of paranormal-related cases, or X-Files, by Federal Bureau of Investigation (FBI) special agents Dana Scully (Gillian Anderson) and John Doggett (Robert Patrick), following Scully's former partner Fox Mulder's (David Duchovny) abduction by aliens. The two are assisted by Assistant Director Walter Skinner (Mitch Pileggi) and Agent Monica Reyes (Annabeth Gish). Events covered in the episodes include: the return, death, and resurrection of Mulder; the birth of Scully's child, William; the discovery of the "Super Soldier" conspiracy; the discovery of the remains of a space ship in Canada; Scully's choice to give William up for adoption; and Mulder's trial, conviction, escape, and discovery of the truth. The collection contains the final episodes in the series' mythology, or fictional overarching story. The release features the closure of most of the series' long-running arcs. Production for the episodes was drastically affected after co-star Duchovny left the show. Released on November 22, 2005, the collection received mixed to negative reviews from critics. Adam Baldwin, Chris Owens, Nicholas Lea, Laurie Holden, and William B. Davis all play supporting roles in the collection. When Dana Scully (Gillian Anderson) learns that several women have reportedly been abducted and impregnated with alien babies, she begins to question her own pregnancy. John Doggett (Robert Patrick) introduces Scully to Monica Reyes (Annabeth Gish), an FBI specialist in ritualistic crime, shortly before Fox Mulder's (David Duchovny) deceased body suddenly appears in a forest at night. Following Mulder's funeral, Assistant Director Walter Skinner (Mitch Pileggi) is threatened by Alex Krycek (Nicholas Lea) that he must kill Scully's baby before it is born. Billy Miles, a multiple abductee who disappeared on the same night as Mulder, is returned deceased but his dead body is resurrected and restored to full health.