User Score: 1895
Jason Wiles, who guest-stars as Ben McBride in this episode, appeared previously on Criminal Minds as Unsub Sheppard in "Psychodrama."
Although Jodi would have been put in foster care after her father was deemed unfit, there is no legal way that she could be adopted. In order for a child to be adopted, the parent must willingly sign away their parental rights, which obviously was not done. A child with a parent deemed unfit is only put in foster care because the parent can once again be deemed fit at any time.
When the unsub is choking his first victim, and she scratches him on the hand. The image comes up several times throughout the episode. The scratches on his hand were large enough for a skin sample under the victim's fingernails. Forensics should have been able to find skin cells.
On the way home from Wyoming to Quantico, the team is seated in a Gulfstream V with six windows (tail number N5GV). A short while later, the team apparently has changed planes and is now on a Gulfstream G100 with four windows and a door above the wing (tail number N100GA).
At the end of this episode, the team makes jokes about how Reid can beat them at many games and Garcia mentions the board game "Go." This game was referenced in the first episode "Extreme Aggressor" when the game was used to profile a possible unsub as an extreme aggressor.
When SSA Emily Prentiss presents the Unsub's profile, she states the victims' wigs were sewn to their scalps, "a technique used in attaching hair to porcelain dolls." Doll wigs cannot, in fact, be sewn to porcelain. They are glued onto the dolls' heads.
The title of this episode refers to the hypothesis that holds when robots and other facsimiles of humans look and act almost like actual humans, this resemblance causes a response of revulsion among human observers. The "valley" is a dip in a proposed graph of the positivity of human reaction as a function of a robot's lifelikeness and explains why almost-human-looking robots scare people more than mechanical-looking robots.
The character Erika Silverman was named after casting director Erica Silverman.
Garcia calls Morgan "Shug" in this episode. Shug is the name of Shemar Moore's dog.
The reference to being out of town visiting family in Indianapolis alludes to Rick Dunkle's frequent visits to Indianapolis to visit his own family.
The list of names Reid reads to Garcia outside the night club are all named for Rick Dunkle's friends, three of whom work on the series.
Culpepper Valet Company was named for Rick Dunkle's aunt who lived in Culpepper, Virginia.
The character Grant Franklin is a shout-out to the town in which Rick grew up, Franklin, Indiana.
The character Ann Herron was named after Rick Dunkle's high school journalism adviser.
Kaminski was the surname of Rick Dunkle's high school Shakespeare and drama teacher.
The character Rose Smith was named in honor of characters on Doctor Who. Rose Tyler ends up in a parallel world with a version of The Doctor (aka John Smith).
The character Joe Belser was named for one of Rick Dunkle's fraternity brothers in college.
The title of this episode is the alternative title for Gilbert & Sullivan's The Pirates of Penzance, the musical Hotch tried out for in high school so he could meet his future wife, Haley Brooks.
JJ's son, Henry, is played by A.J. Cook's real-life son, Mekhai Andersen, in this episode.
Professor James Fallon of the University of California at Irvine is a neuroscientist and appears as himself in this episode (credited as Jim Fallon). He is the director of the UC Irvine Human Brain Imaging Center as well as a professor in the Department of Anatomy and Neurobiology.
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high stake situations, Thrillers, long running show, Murder & Mayhem, Detectives