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Criminal Minds · Main cast

Jennifer “JJ” Jareau 107 Criminal Minds episodes

Jennifer “JJ” Jareau, played by A.J. Cook, appears in 107 of the 114 episodes, from “Compulsion” (2005) to “Our Darkest Hour” (2010).

Played by
A.J. Cook
Role
Main cast, Seasons 1–5
Episodes
107 of 114
First episode
Compulsion (S1E2, 2005)
Last episode
Our Darkest Hour (S5E23, 2010)
Worked most often with · episodes together

Season 1 2005–2006 · 20 episodes

  1. 2. Compulsion
  2. 3. Won't Get Fooled Again
  3. 4. Plain Sight
  4. 6. L.D.S.K.
  5. 7. The Fox
  6. 8. Natural Born Killer
  7. 9. Derailed
  8. 10. The Popular Kids
  9. 11. Blood Hungry
  10. 12. What Fresh Hell?
  11. 13. Poison
  12. 14. Riding the Lightning
  13. 15. Unfinished Business
  14. 16. The Tribe
  15. 17. A Real Rain
  16. 18. Somebody's Watching
  17. 19. Machismo
  18. 20. Charm and Harm
  19. 21. Secrets and Lies
  20. 22. The Fisher King: Part 1

Season 2 2006–2007 · 23 episodes

  1. 1. The Fisher King: Part 2
  2. 2. P911
  3. 3. The Perfect Storm
  4. 4. Psychodrama
  5. 5. Aftermath
  6. 6. The Boogeyman
  7. 7. North Mammon
  8. 8. Empty Planet
  9. 9. The Last Word
  10. 10. Lessons Learned
  11. 11. Sex, Birth, Death
  12. 12. Profiler, Profiled
  13. 13. No Way Out
  14. 14. The Big Game
  15. 15. Revelations
  16. 16. Fear and Loathing
  17. 17. Distress
  18. 18. Jones
  19. 19. Ashes and Dust
  20. 20. Honor Among Thieves
  21. 21. Open Season
  22. 22. Legacy
  23. 23. No Way Out, Part II: The Evilution of Frank

Season 3 2007–2008 · 20 episodes

  1. 1. Doubt
  2. 2. In Name and Blood
  3. 3. Scared to Death
  4. 4. Children of the Dark
  5. 5. Seven Seconds
  6. 6. About Face
  7. 7. Identity
  8. 8. Lucky
  9. 9. Penelope
  10. 10. True Night
  11. 11. Birthright
  12. 12. 3rd Life
  13. 13. Limelight
  14. 14. Damaged
  15. 15. A Higher Power
  16. 16. Elephant's Memory
  17. 17. In Heat
  18. 18. The Crossing
  19. 19. Tabula Rasa
  20. 20. Lo-Fi

Season 4 2008–2009 · 21 episodes

  1. 1. Mayhem
  2. 2. The Angel Maker
  3. 3. Minimal Loss
  4. 4. Paradise
  5. 5. Catching Out
  6. 6. The Instincts
  7. 7. Memoriam
  8. 11. Normal
  9. 14. Cold Comfort
  10. 15. Zoe's Reprise
  11. 16. Pleasure Is My Business
  12. 17. Demonology
  13. 18. Omnivore
  14. 19. House on Fire
  15. 20. Conflicted
  16. 21. A Shade of Gray
  17. 22. The Big Wheel
  18. 23. Roadkill
  19. 24. Amplification
  20. 25. To Hell…
  21. 26. …and Back

Season 5 2009–2010 · 23 episodes

  1. 1. Nameless, Faceless
  2. 2. Haunted
  3. 3. Reckoner
  4. 4. Hopeless
  5. 5. Cradle to Grave
  6. 6. The Eyes Have It
  7. 7. The Performer
  8. 8. Outfoxed
  9. 9. 100
  10. 10. The Slave of Duty
  11. 11. Retaliation
  12. 12. The Uncanny Valley
  13. 13. Risky Business
  14. 14. Parasite
  15. 15. Public Enemy
  16. 16. Mosley Lane
  17. 17. Solitary Man
  18. 18. The Fight
  19. 19. Rite of Passage
  20. 20. …A Thousand Words
  21. 21. Exit Wounds
  22. 22. The Internet Is Forever
  23. 23. Our Darkest Hour

All 16 characters