Kevin Costner has found his new niche.

TheWrap just shared some interesting cable numbers from Nielsen. They may or may not surprise you, but they raised our eyebrows a bit.

"The Walking Dead" has long been the most-watched cable TV show, even with the sinking numbers of the past few years. But "Yellowstone" landed in the No. 2 spot in its freshman season.

"Yellowstone" -- starring Costner, Wes Bentley, Kelly Reilly, Luke Grimes, and Cole Hauser -- is airing its Season 1 finale tonight (Wednesday, August 22) on Paramount Network.

Paramount is the newly rebranded Spike TV, and "Yellowstone" is the most-watched show the network has ever had, under any name.

"Yellowstone" has averaged 5 million total viewers each week, counting a full seven days. That's overall viewers, but in terms of ratings, "Yellowstone" has averaged a 1.42 in the coveted 18-49 demographic. "Yellowstone" has also earned nearly 10 million streams on Viacom owned-and-operated platforms, as well as 6.8 million video-on-demand transactions.

So, no surprise, Paramount Network has already ordered a Season 2. But yes surprise to the chart TheWrap posted with a rundown of the most-watched cable shows:

That's from the 2017-18 TV season, ranked by Nielsen’s Live + 3 Day metric, counting 72-hours worth of delayed viewing. So that's why it's slightly lower than the numbers for a full seven-day week.

"The Walking Dead" is clearly still far ahead. But ... we should be watching History's "The Curse of Oak Island," maybe?

"Yellowstone" Season 1 ends tonight at 10 p.m. on Paramount. "The Walking Dead" Season 9 will be back to reclaim its throne in October on AMC.

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