CBS, which distributes The Arsenio Hall Show, has changed its mind. It previously renewed the talk show for a second season and now says nope, there won't be one. In fact, if I understand correctly, Hall isn't even going to get to do a final episode. The last one he taped was, they thought at the time, the last one of Season One and that they'd be back soon doing Season Two.
Hall was averaging about one million viewers a night compared to about 3.5 million for Jimmy Fallon and around 2.7 million each for David Letterman and Jimmy Kimmel. Conan O'Brien is drawing fewer viewers than Arsenio but TBS, which airs Conan, is happy enough with the demographics that they've renewed the show through 2018.
Since we're talking numbers here, by the way, here's an interesting fact. Craig Ferguson is leaving his show and lately, Seth Meyers has had about a 16% advantage on him in the ratings. That sounds like a lot but Fallon is beating Letterman by 31% and Kimmel by 35%. That's in total viewers. Meyers is doing a lot better than Ferguson in just the 18-49 age bracket. And Kimmel is doing a lot better than Letterman with that group, as well.