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This true crime series focuses on cases in which the path to crime begins with a passionate attraction between two people. Sometimes they're criminals and sometimes they're victims, but the outcome of their lustful drives is always violent. The series airs on Investigation Discovery.

Primal Instinct is a Comedy, Documentary & Biography series that is currently running and has 2 seasons (12 episodes). The series first aired on May 25, 2018. It has moderate reviews from critics and viewers, who have given it an IMDb score of 6.7.

Primal Instinct is available for streaming on the Investigation Discovery website, both individual episodes and full seasons. You can also watch Primal Instinct on demand at Philo, Amazon, Vudu, Investigation Discovery, FuboTV, Google Play, iTunes online.

Thursday 10:00 PM et/pt on Investigation Discovery
2 Seasons, 12 Episodes
May 25, 2018
Comedy, Documentary & Biography
Cast: Chrizney Roth, Kelly Wray, Kim Kaiser, Frank Osso
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Primal Instinct Full Episode Guide

  • Barbie Dailey goes looking for love online and meets Josh, who appears to be the answer to her prayers; when Barbie's friends uncover a dark secret, their fairytale romance is consumed by obsession, jealousy and a killer rage.

  • Sharmon Intili believes she's met the man of her dreams, while her friends think otherwise; a messy breakup and the rekindling of an old flame puts into play a murderous plot to wipe out the competition.

  • Jennifer Snyder is a shy vet tech who falls for her boss, a driven young doctor; overshadowing their steamy affair is a controlling wife and a surprise pregnancy announcement that sets in motion a cold-blooded murder plot.

  • File clerk Tammy Lohr is seduced by a married police officer; things heat up when his wife receives an anonymous letter revealing the affair followed by a mysterious fire, a brutal stabbing and an elaborate plot to cover it up.

  • Zach Sanders is being pulled in two directions between the woman he loves and his mistress who refuses to let him go. Jealousy, obsession and news of a surprise engagement leads to a deadly case of road rage.

  • In a small Tennessee town, Jenelle Potter has few friends. When her attraction to one of them isn't mutual, she is ostracized and feels threatened. Then a shadowy figure guides her family into a dark plot with a twisted ending no one saw coming.

  • Ann McDonald's wealthy husband Rich cares more about social status than her happiness. When she seeks solace in Al Braunberger's arms, it unleashes a side of Rich she's never seen and a side of Al she never expected, trapping her in a deadly game.

  • Sparks fly when Chuck Rock meets Beth Williams in Tampa, Florida. When the relationship turns sour, Chuck finds himself drawn into a puzzling web of intrigue and danger and becomes the target of a mysterious stranger

  • A chance encounter on a NY subway brings hard-working immigrant Gladys Ricart love, and introduces her to a lush world she'd never imagined. But her plans for a dream wedding turn into a devastating nightmare.

  • Glenn Godfrey was Alaska's top cop. But can his years of law enforcement experience protect him and his family from an evil force unleashed by an ill-advised romance.

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