<Li> Skipp Sudduth as Stan Gordinski </Li> <Li> Mark Hamill as John Curtis / The Replicator </Li> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> US viewers (millions) </Th> </Tr> <Tr> <Th> 163 </Th> <Td> </Td> <Td> "The Silencer" </Td> <Td> Glenn Kershaw </Td> <Td> Erica Messer </Td> <Td> September 26, 2012 (2012 - 09 - 26) </Td> <Td> 801 </Td> <Td> 11.73 </Td> </Tr> <Tr> <Td_colspan="8"> When a prison inmate escapes during a transfer in Abilene, Texas and several bodies are subsequently found with their mouths sewn shut, the BAU determines a serial killer known as "The Silencer" has resurfaced . Meanwhile, the team welcomes its newest member, linguistics expert Alex Blake (Jeanne Tripplehorn), into the fold . </Td> </Tr> <Tr> <Th> 164 </Th> <Td> </Td> <Td> "The Pact" </Td> <Td> Karen Gaviola </Td> <Td> Janine Sherman Barrois </Td> <Td> October 10, 2012 (2012 - 10 - 10) </Td> <Td> 802 </Td> <Td> 11.49 </Td> </Tr> <Tr> <Td_colspan="8"> When two seemingly unrelated murders are committed just hours apart in San Diego and Los Angeles, the BAU suspects that two killers are working in concert to exact revenge against criminals released by the justice system . </Td> </Tr> <Tr> <Th> 165 </Th> <Td> </Td> <Td> "Through the Looking Glass" </Td> <Td> Dermott Downs </Td> <Td> Sharon Lee Watson </Td> <Td> October 17, 2012 (2012 - 10 - 17) </Td> <Td> 803 </Td> <Td> 11.81 </Td> </Tr> <Tr> <Td_colspan="8"> When a family in Kansas City is found dead and another goes missing, the BAU searches for a link between the cases in order to find the perpetrator . Meanwhile, Hotch receives surprising news from Beth that threatens to test their relationship . </Td> </Tr> <Tr> <Th> 166 </Th> <Td> </Td> <Td> "God Complex" </Td> <Td> Larry Teng </Td> <Td> Breen Frazier </Td> <Td> October 24, 2012 (2012 - 10 - 24) </Td> <Td> 804 </Td> <Td> 11.61 </Td> </Tr> <Tr> <Td_colspan="8"> When a legless corpse is found in Juarez and an unwilling amputee turns up at a Albuquerque, New Mexico motel, the BAU determines the killer is an amateur surgeon whose narcissism has gotten to his head . Meanwhile, Reid's secret phone calls to a mysterious woman (Beth Riesgraf) leave the team intrigued . </Td> </Tr> <Tr> <Th> 167 </Th> <Td> 5 </Td> <Td> "The Good Earth" </Td> <Td> John Terlesky </Td> <Td> Bruce Zimmerman </Td> <Td> October 31, 2012 (2012 - 10 - 31) </Td> <Td> 805 </Td> <Td> 11.99 </Td> </Tr> <Tr> <Td_colspan="8"> When four men in La Grande, Oregon go missing, the BAU searches for a common link among them in order to apprehend the unsub . Meanwhile, JJ grows upset after learning her son is adamant about not celebrating Halloween . </Td> </Tr> <Tr> <Th> 168 </Th> <Td> 6 </Td> <Td> "The Apprenticeship" </Td> <Td> Rob Bailey </Td> <Td> Virgil Williams </Td> <Td> November 7, 2012 (2012 - 11 - 07) </Td> <Td> 806 </Td> <Td> 12.09 </Td> </Tr> <Tr> <Td_colspan="8"> When a Miami prostitute is murdered in a manner similar to a series of recent animal killings in the area, the BAU works fast to catch a serial killer whose confidence is quickly escalating . Meanwhile, Morgan attempts to convince Reid to join the bureau softball team and Hotch receives a phone call involving an unsub whose intentions are made chillingly clear . </Td> </Tr> <Tr> <Th> 169 </Th> <Td> 7 </Td> <Td> "The Fallen" </Td> <Td> Doug Aarniokoski </Td> <Td> Teleplay by: Rick Dunkle Story by: Rick Dunkle & Danny Ramm </Td> <Td> November 14, 2012 (2012 - 11 - 14) </Td> <Td> 807 </Td> <Td> 12.20 </Td> </Tr> <Tr> <Td_colspan="8"> The BAU travels to Santa Monica, California to search for a mission - oriented killer who dumps the burned bodies of homeless people near the famous pier . Meanwhile, Rossi finds himself forced to confront his days as a Marine in the Vietnam War when he runs into his former sergeant Harrison Scott (Meshach Taylor). </Td> </Tr> <Tr> <Th> 170 </Th> <Td> 8 </Td> <Td> "The Wheels on the Bus ..." </Td> <Td> Rob Hardy </Td> <Td> Kimberly Ann Harrison </Td> <Td> November 21, 2012 (2012 - 11 - 21) </Td> <Td> 808 </Td> <Td> 11.53 </Td> </Tr> <Tr> <Td_colspan="8"> When a school bus disappears outside Washington, D.C., the BAU launches a massive search for the missing high school students only to uncover a twisted motive for the crime . </Td> </Tr> <Tr> <Th> 171 </Th> <Td> 9 </Td> <Td> "Magnificent Light" </Td> <Td> John T. Kretchmer </Td> <Td> Sharon Lee Watson </Td> <Td> November 28, 2012 (2012 - 11 - 28) </Td> <Td> 809 </Td> <Td> 12.37 </Td> </Tr> <Tr> <Td_colspan="8"> While investigating a series of ritualistic murders in Seattle, the BAU links the crimes to a motivational speaker only to refocus their investigation when the prime suspect disappears . Meanwhile, Garcia speculates on the reasons why Morgan is against attending a dinner honoring an old friend . </Td> </Tr> <Tr> <Th> 172 </Th> <Td> 10 </Td> <Td> "The Lesson" </Td> <Td> Matthew Gray Gubler </Td> <Td> Janine Sherman Barrois </Td> <Td> December 5, 2012 (2012 - 12 - 05) </Td> <Td> 810 </Td> <Td> 11.33 </Td> </Tr> <Tr> <Td_colspan="8"> When several male bodies with marked changes in appearance are discovered in Winslow, Arizona, the BAU suspects they are searching for a serial killer (Brad Dourif) with an unusual personal obsession . Meanwhile, Reid gets anxious when his mystery woman proposes that they meet face - to - face . </Td> </Tr> <Tr> <Th> 173 </Th> <Td> 11 </Td> <Td> "Perennials" </Td> <Td> Michael Lange </Td> <Td> Bruce Zimmerman </Td> <Td> December 12, 2012 (2012 - 12 - 12) </Td> <Td> 811 </Td> <Td> 12.01 </Td> </Tr> <Tr> <Td_colspan="8"> The BAU investigates a series of bizarre murders throughout the South only to learn that the unsub's signature matches that of a killer from thirty years ago . Meanwhile, Hotch learns that someone is replicating crimes that the team has recently solved . </Td> </Tr> <Tr> <Th> 174 </Th> <Td> 12 </Td> <Td> "Zugzwang" </Td> <Td> Jesse Warn </Td> <Td> Breen Frazier </Td> <Td> January 16, 2013 (2013 - 01 - 16) </Td> <Td> 812 </Td> <Td> 12.64 </Td> </Tr> <Tr> <Td_colspan="8"> When Reid learns that his mystery woman has disappeared and suspects that the person stalking her has made his next move, the BAU searches Washington, D.C. in a desperate attempt to find her abductor before time runs out . </Td> </Tr> <Tr> <Th> 175 </Th> <Td> 13 </Td> <Td> "Magnum Opus" </Td> <Td> Glenn Kershaw </Td> <Td> Jason J. Bernero </Td> <Td> January 23, 2013 (2013 - 01 - 23) </Td> <Td> 813 </Td> <Td> 11.84 </Td> </Tr> <Tr> <Td_colspan="8"> When two young women are found dead in San Francisco with their eyelids removed, the BAU searches for a killer with an alarming obsession . Meanwhile, Reid continues to grieve Maeve's death . </Td> </Tr> <Tr> <Th> 176 </Th> <Td> 14 </Td> <Td> "All That Remains" </Td> <Td> Thomas Gibson </Td> <Td> Erica Messer </Td> <Td> February 6, 2013 (2013 - 02 - 06) </Td> <Td> 815 </Td> <Td> 11.98 </Td> </Tr> <Tr> <Td_colspan="8"> When two sisters in Salisbury, Maryland are reported missing exactly one year after their mother's disappearance, the BAU is tasked with profiling their father (Ken Olin) as a possible suspect in both crimes . </Td> </Tr> <Tr> <Th> 177 </Th> <Td> 15 </Td> <Td> "Broken" </Td> <Td> Larry Teng </Td> <Td> Rick Dunkle </Td> <Td> February 20, 2013 (2013 - 02 - 20) </Td> <Td> 814 </Td> <Td> 10.69 </Td> </Tr> <Tr> <Td_colspan="8"> When three people are brutally murdered in Austin, Texas and later found with their watches set inaccurately, the BAU struggles to profile a killer who is suffering from a severe identity crisis . Meanwhile, the unsub stalking the team's every move prepares to make his next move . </Td> </Tr> <Tr> <Th> 178 </Th> <Td> 16 </Td> <Td> "Carbon Copy" </Td> <Td> Rob Hardy </Td> <Td> Virgil Williams </Td> <Td> February 27, 2013 (2013 - 02 - 27) </Td> <Td> 816 </Td> <Td> 10.33 </Td> </Tr> <Tr> <Td_colspan="8"> When a recent murder in Philadelphia is believed to be committed by "The Replicator," the BAU sets out to find him before he strikes again . Meanwhile, Blake struggles with her personal demons after learning that Strauss wants to make amends . </Td> </Tr> <Tr> <Th> 179 </Th> <Td> 17 </Td> <Td> "The Gathering" </Td> <Td> Michael Lange </Td> <Td> Kimberly Ann Harrison </Td> <Td> March 20, 2013 (2013 - 03 - 20) </Td> <Td> 817 </Td> <Td> 11.58 </Td> </Tr> <Tr> <Td_colspan="8"> With the Replicator case temporarily declared inactive, the BAU investigates a series of murders in Saint Paul, Minnesota involving young women who documented their fantasies on social media sites . Meanwhile, Garcia suspects Kevin has grown jealous after introducing him to her new love interest . </Td> </Tr> <Tr> <Th> 180 </Th> <Td> 18 </Td> <Td> "Restoration" </Td> <Td> Félix Alcalá </Td> <Td> Jim Clemente & Janine Sherman Barrois </Td> <Td> April 3, 2013 (2013 - 04 - 03) </Td> <Td> 818 </Td> <Td> 10.79 </Td> </Tr> <Tr> <Td_colspan="8"> When two middle - aged men are beaten to death in Chicago, the BAU investigates only to unearth a connection between the unsub and Morgan's childhood abuser Carl Buford . </Td> </Tr> <Tr> <Th> 181 </Th> <Td> 19 </Td> <Td> "Pay It Forward" </Td> <Td> John Terlesky </Td> <Td> Bruce Zimmerman </Td> <Td> April 10, 2013 (2013 - 04 - 10) </Td> <Td> 819 </Td> <Td> 11.47 </Td> </Tr> <Tr> <Td_colspan="8"> When a decapitated corpse is found in Colorado hours after a severed head is discovered in a recently unearthed time capsule, the BAU determines that the unsub is a vigilante who perceives his victims as hypocrites . </Td> </Tr> <Tr> <Th> 182 </Th> <Td> 20 </Td> <Td> "Alchemy" </Td> <Td> Matthew Gray Gubler </Td> <Td> Sharon Lee Watson </Td> <Td> May 1, 2013 (2013 - 05 - 01) </Td> <Td> 820 </Td> <Td> 10.13 </Td> </Tr> <Tr> <Td_colspan="8"> When two men are poisoned and dismembered in Rapid City, South Dakota, the BAU struggles to build a profile and determine the trigger before the unsub manages to kill again . Meanwhile, Reid suffers from insomnia as he continues to grieve Maeve's death . </Td> </Tr> <Tr> <Th> 183 </Th> <Td> 21 </Td> <Td> "Nanny Dearest" </Td> <Td> Doug Aarniokoski </Td> <Td> Virgil Williams </Td> <Td> May 8, 2013 (2013 - 05 - 08) </Td> <Td> 821 </Td> <Td> 10.08 </Td> </Tr> <Tr> <Td_colspan="8"> The BAU sets out to apprehend a Los Angeles serial killer who has abducted nannies and the children they watched on the same day for the last six years . With few leads and a short deadline, the team turns to the only known survivor in an attempt to find the unsub's latest victims before time runs out . </Td> </Tr> <Tr> <Th> 184 </Th> <Td> 22 </Td> <Td> "#6" </Td> <Td> Karen Gaviola </Td> <Td> Breen Frazier </Td> <Td> May 15, 2013 (2013 - 05 - 15) </Td> <Td> 822 </Td> <Td> 10.56 </Td> </Tr> <Tr> <Td_colspan="8"> When two couples are found dead in Detroit, the BAU surmises that the unsub is forcing his victims to fatally stab each other . Meanwhile, Blake contemplates her future with the team after her husband James (D.W. Moffett) returns home with a life - changing proposition . </Td> </Tr> <Tr> <Th> 185 </Th> <Td> 23 </Td> <Td> "Brothers Hotchner" </Td> <Td> Rob Bailey </Td> <Td> Rick Dunkle </Td> <Td> May 22, 2013 (2013 - 05 - 22) </Td> <Td> 823 </Td> <Td> 11.01 </Td> </Tr> <Tr> <Td_colspan="8"> As the BAU investigates a series of apparent ecstasy overdoses in Manhattan, Hotch struggles with his personal demons when his estranged brother Sean is caught in the middle . Meanwhile, the Replicator prepares to make his next move . </Td> </Tr> <Tr> <Th> 186 </Th> <Td> 24 </Td> <Td> "The Replicator" </Td> <Td> Glenn Kershaw </Td> <Td> Erica Messer </Td> <Td> May 22, 2013 (2013 - 05 - 22) </Td> <Td> 824 </Td> <Td> 11.01 </Td> </Tr> <Tr> <Td_colspan="8"> When the Replicator hacks Garcia's computer system and targets a team member, the BAU juggles mourning the loss of one of their own and finding the unsub as the stakes grow higher . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> US viewers (millions) </Th> </Tr>

What happens in season 8 of criminal minds
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