Overview BoJack Horseman is an American adult animated comedy-drama series created by Raphael Bob-Waksberg, and first premiered August 22, 2014, on Netflix. Content All the data gathered is accessible by the public. Collected from IMDb and Netflix. Reason for Data Collection The purpose of the collection was pure enjoyment. I'm a huge fan of the show and became interested in how episodes increased in length throughout the seasons and if it had any correlation to the episode rating.