Apparently, [adult swim] pre-empted their normal lineup at 12:30am with an hour of Mike Tyson Mysteries as a way to memorialize Norm MacDonald, the voice of Pigeon, who died after a 9-year personal battle with cancer. RIP
I wouldn't say that new Thomas and Friends is a "reboot," because Treehouse said that All Engines Go! is a "new season" according to their recent promo. They'll start airing AEG on September 18. (5 days after Cartoonito and 3 weeks after Canal 5)
One thing I've noticed is that all the cartoons that Frederick Weidmann did the music for are all CGI. He worked on Green Lantern The Animated Series, Beware The Batman, All Hail King Julien, Miles From Tomorrowland, The Dragon Prince, Madagascar A Little Wild, Big Nate, Eureka, and Firebuds.