User blog comment:Tema19867/Question of the week (November 6-12)/@comment-76.22.28.150-20161110110024/@comment-166.181.3.183-20161111150107

That's because Cartoon Network took the 8pm-9pm slot for new episodes and such, and as Jason said before, AS were happy with Toonami's performance during the period that they had the time slot.