Alan Ritchson recently gave behind-the-scenes details about Lee Child's original Jack Reacher books.

Reacher season 4, on the other hand, will continue the show's trend of loyally adapting a new installment from the original book series. As reports suggest, Reacher's creators are presently focusing more on the Neagley spin-off. Owing to this, little has been revealed about the book Reacher's next season will adapt. Although only time will tell which novel will ultimately serve as the foundation for Reacher season 4's story, it seems like Alan Ritchson might have already hinted at where the show plans to go next. He has given away one crucial production detail that leaves enough room for speculation.

Alan Ritchson Has Promised “Season 4 Is Going To Be The Most Physically Intense Season Yet”

It Is A Big Claim Given How Action-Packed Seasons 2 And 3 Have Been

On his official Instagram handle, Alan Ritchson shared a series of behind-the-scenes pictures from Reacher and Neagley's sets. Interestingly, while describing one of the pictures in the series, Ritchson mentions that he has already started training for Reacher season 4 because it is "going to be the most physically intense season yet." The statement comes off as a massive claim because all Reacher seasons, so far, have been jam-packed with intense action scenes and fight sequences.

While season 1 was still relatively tame, it featured the gripping prison action scenes in which Reacher single-handedly took down many prisoners. Season 2 featured some of Reacher's most badass moments, especially towards the end, where he kept fighting despite sustaining many serious injuries. Similarly, Reacher season 3 started slowly but featured the show's best fight and most high-stakes action scene in its finale when the two titans, Reacher and Paulie, fought to the death.

All three Reacher seasons have undoubtedly been intense in action and have intentionally adapted books that highlight the titular character's nearly superhuman physical strength. With Alan Ritchson claiming that Reacher season 4 will be even more "physically intense" than the previous seasons, it is hard not to wonder which book it will adapt. While all Jack Reacher books have a fair share of physically demanding action scenes, Alan Ritchson's BTS reveal hints that season 4 will likely adapt one Lee Child novel.

The Alan Ritchson Reveal Increases The Odds Of One Book’s Adaptation In Reacher Season 4

It Seems Likely Season 4 Will Adapt Die Trying

Arguably, in of action, Lee Child's Worth Dying For, Gone Tomorrow, Night School, and Die Trying seemingly rank most other books in the series. All four books not only unfold compelling mystery dramas but also put the central character's physical prowess on full display. Reacher season 4 could adapt any of these books, but it seems likely that it will go for Lee Child's Die Trying. In its opening moments, Die Trying features a sequence in which Reacher faces his most physically demanding challenge when he has to crawl through a narrow mountain seam despite his massive stature.

Adapting Die Trying would allow the series to seamlessly transition from the Neagley spin-off to Reacher season 4.

Since Reacher season 3 has also introduced Jack Reacher's military mentor, Leon Garber, it seems likely that season 4 will mark his return by adapting Die Trying and digging deeper into the bond Reacher and Garber shared in the past. The Reacher spin-off, Neagley, is also set in Chicago, which, interestingly, is where Die Trying unfolds. Adapting Die Trying would allow the series to seamlessly transition from the Neagley spin-off to Reacher season 4.

Lee Child's Die Trying also happens to be Alan Ritchson's favorite Jack Reacher book (via Game Rant), and he has previously promised that he will make its adaptation happen. With so many subtle clues suggesting that Reacher season 4 will adapt Die Trying, it would not be surprising if the show's next installment picks the Lee Child novel. However, for now, one cannot be too sure about what lies ahead for the TV franchise until some official confirmations are made surrounding its story direction.