'Bojack Horseman' Is Coming to an End on Netflix. The animated comedy-drama series will air its sixth and final season in two parts. Part one of 'Bojack,' which stars Will Arnett, is scheduled for October 25. It will then conclude with part 2 on January 31. 'Bojack' originally debuted on Netflix back in 2014. It is set in a anthropomorphic universe and centers on a horse who is a former sitcom star. The show's cast also features Alison Brie and Aaron Paul. A trailer for season six has been dropped by Netflix as well. Comedy Central also airs re-runs of 'Bojack Horseman.'