Episode descriptions and images borrowed from the Criminal Minds Wiki (http://criminalminds.wikia.com).
  1. "Riding the Lightning" (S1:E14)
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    The team is sent to the Florida State Penitentiary to interview husband and wife serial killers set to be executed. After the initial interview, Gideon suspects that the wife may not be guilty of the crimes committed.
  2. "Revelations" (S2:E15)
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    The BAU's urgency to find the killer increases when they realize he's holding Reid captive after seeing a live feed of him bound and drugged. Meanwhile, Reid begins flashing back to his own troubled childhood while drifting in and out of consciousness.
  3. "Penelope" (S3:E9)
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    As Garcia fights for her life, the BAU's search for her attacker leads the unit to believe the assailant could be someone close to the investigation.
  4. "Memoriam" (S4:E7)
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    As Reid's investigation of a young boy's murder in Las Vegas continues, he discovers possible connections to his own past, including his parents.
  5. "100" (S5:E9)
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    When the Reaper returns to Washington, D.C. for a final showdown with Hotch, the BAU team works frantically to catch him before he reaches his family.
  6. "Coda" (S6:E16)
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    Prentiss enlists two former friends from Interpol to track down an old enemy, as Reid discovers clues that could help the BAU locate the parents of an autistic boy in Lafayette Parish, Louisiana when they vanish mysteriously.
  7. "Heathridge Manor" (S7:E19)
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    When an Oregon woman is found dead in an asylum, the BAU realizes that the victim is part of a series of gothic, ritualistic murders and the unsub might be a Satanist.
  8. "Zugzwang" (S8:E12)
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    When Reid discovers that his girlfriend has been abducted by her stalker, he and the BAU band together to find and rescue her before it is too late.
  9. "Blood Relations" (S9:E20)
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    When two men are violently murdered in a small backwoods community in West Virginia, the BAU uncovers a long-simmering feud between two families and must investigate which one of them could be responsible for the deaths.
  10. "Nelson's Sparrow" (S10:E13)
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    The BAU revisits its origins when they look at one of Rossi and Gideon's old cases to track a serial killer who appears to have resurfaced after over three decades of inactivity.
  11. "A Beautiful Disaster" (S11:E18)
    When an unsub targets the BAU, the team springs into action to find out who is responsible.