It is an upcoming TV show. It is also an american computer-animated comedy web series. It will be released everywhere on FX and Cartoon Network June 30th, 2018. It released on Youtube in December 2016.
TV-Y7 for seasons 1 and 2
TV-Y7-FV for seasons 3 and 4
TV-PG for all of the seasons except 1, 2, 3, and 4