Millie So Serious Millie is invited to help out at a Sugar Pine 7 event and she takes it VERY SERIOUSLY. Audio from Off Topic Podcast #100 Details Casts Title Millie So Serious Genres Animation Comedy Talk Release Date 2018-05-07 Episode Runtime 00 Hours 23 Minutes Season Number 8 Episode Number 18 Production Companies Rooster Teeth Productions Burnie Burns Himself Gavin Free Himself Barbara Dunkelman Herself Gustavo Sorola Himself