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Big Sky

Big Sky

Photo Credit:  ABC/Kharen Hill
  • Premiered: 
    November 17, 2020
    (Click date to see TV listings for that day)

  • Network: ABC
  • Category: Series
  • Genre: Drama
  • Type: Live Action
  • Concept: 
    Based on the book series by C.J. Box 
  • Subject Matter: Private Eye
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Plot Synopsis

Based on the series of books by C.J. Box and executive produced by showrunner David E. Kelley, BIG SKY is a one-hour scripted series that follows private detectives Cassie Dewell and Cody Hoyt, who join forces with his estranged wife and ex-cop, Jenny Hoyt, to solve a missing persons case. While on a road trip to visit her boyfriend in Montana, Danielle Sullivan and her sister Grace are kidnapped by a truck driver on a remote part of the highway, setting off a chain of events that leads Cody and Cassie to team up with Jenny to search for the sisters. But when they discover that these are not the only girls who have disappeared in the area, they must race against the clock to stop the killer before another woman is taken. It's clear they've stumbled onto something much bigger than them all. After a six-week break, BIG SKY returned with new episodes on Tuesday, January 26, 2021 at 10pm ET/PT on ABC. In the winter premiere, "The Wolves Are Always Out for Blood," after Jenny and Cassie learn the truth about Cody's fate, they decide to officially team up to track down Ronald. Elsewhere, Merrilee grapples with the fact that she didn't truly know her husband, while Helen learns more about her son's recent activities. Guest starring is Patrick Gallagher as Sherriff Tubb. After a two-month break, BIG SKY returned with two new episodes on Tuesday, April 13, 2021 from 9-11pm ET/PT, as ABC debuted back-to-back installments.

On Thursday, September 30, 2021 at 10pm ET/PT, ABC premiered the second season of BIG SKY. The new season follows private detectives Cassie Dewell and Jenny Hoyt as they reunite to investigate a car wreck outside of Helena, Montana, and they soon discover that the case may not be as straightforward as it seems. As they unravel the mystery of the accident, their worlds will collide with a band of unsuspecting teens, a flirtatious face from Jenny's past, and a vicious outsider hellbent on finding answers. In the season opener, "Wakey, Wakey," after Ronald's escape, Cassie distracts herself with work at Dewell & Hoyt while Jenny, recovering from her near-death experience, decides to take Sheriff Tubb up on his offer for her to rejoin the force. Yet, even as these two seem to move in different directions, it won't be long before a mysterious accident leads them to cross paths. Elsewhere, Ronald is wrapped up in something he can't get out of but who did the wrapping? On Thursday, February 24, 2022 at 10pm ET/PT, BIG SKY returned with new episodes after a two-month break. In the mid-season premiere, "Trust Issues," Reeling from the emotional news of Joseph's death, Jenny and Cassie desperately search for answers. After Bridger and Madison receive a threatening call from Ren, Max and Rachel take matters into their own hands, frantically deciding to confide in Jenny about the drugs and money. Elsewhere, Dietrich becomes hellbent on revenge following his discovery of Travis' betrayal; and Wolf and Agatha attempt to protect Phoebe, but thanks to Ronald, all does not go according to plan.

Season 3 of BIG SKY premiered on Wednesday, September 21, 2022 at 10pm ET/PT on ABC. Private detective Cassie Dewell, undersheriff Jenny Hoyt and newly appointed sheriff Beau Arlen maintain order in Helena, Montana, with their unparalleled investigative skills. But when a local backcountry trip led by charismatic outfitter Sunny Barnes goes awry, the trio faces their most formidable mystery yet -- in which no camper can be trusted and where danger lurks around every jagged rock and gnarled tree. In the season opener, "Do You Love an Apple," it's been a few months of relative peace in Helena, but all that's about to change when Sunny Barnes and her family set up Sunny Day Excursions just outside of town. From the moment they arrive, things begin to go awry, with Cassie being called in to investigate a missing backpacker and the new sheriff in town, Beau, partnering up with Jenny to track down a murderer on the loose. A mountainous mystery begins to unravel for Cassie Dewell and Jenny Hoyt. After a four-week break, BIG SKY returned with new episodes on Wednesday, January 4, 2023 at 10pm ET/PT on ABC. In the winter premiere, "Super Foxes," Gigi finds herself at the mercy of a twisted local family and Jenny and Cassie work to intervene, but a twisted game threatens everything. Elsewhere, Sunny and Paige each come to a shocking realization about Buck, and Beau puts it all on the line for his family
On Wednesday, January 18, 2023 at 10pm ET/PT, ABC premiered "That Old Feeling," the Season 3 finale of BIG SKY. With Denise and Emily's lives on the line, Jenny and Beau are determined to bring the Bleeding Heart Killer to justice, no matter what it takes. Meanwhile, Cassie uses her connections to pin down their possible location; and Sunny makes a fiery decision that will change her family forever, but will it all be enough to save the ones they love?


Production & Distribution

  • Produced by 20th Century Fox Television (as 20th Television)


  • - Montana USA

Births, Deaths & Weddings

  • November 17, 2020: Cody Hoyt dies
  • February 16, 2021: Rick Legarski dies
  • April 20, 2021: Blake Kleinsasser dies
  • April 27, 2021: Mary Leyendecker dies
  • May 18, 2021: Horst Kleinsasser dies
  • December 16, 2021: Joseph Dewell dies