User blog comment:MemoryAngel/Ninjago has been CONQUERED!!!/@comment-24268939-20180324035606

Well, Season 9 will take place one week later after Season 8, so I would assume in that one week span Harumi, Garmadon, and the Sons of Garmadon have most likely "renovated" Ninjago to their liking, as well as the time during Season 9 itself.