The Christmas Episode The team travels to a nursing home to assist an elderly man seeking euthanasia, only to cause unexpected truths to come to light. Details Casts Videos Galleries Posters Season Lists Title The Christmas Episode Genres Mystery Animation Comedy Release Date 2019-12-09 Episode Runtime 00 Hours 11 Minutes Season Number 4 Episode Number 11 Production Companies Williams Street, Warner Bros. Animation Mike Tyson... Mike Tyson (voice)... Norm Macdonald... Pigeon (voice)... Rachel Ramras... Yung Hee Tyson (voice)... Jim Rash... Marquess of Queensberry (... Mike Tyson Mysteries NYCC Trailer | Mike Tyson Mysteries | Adult Swim (Trailer) Mike Tyson Mysteries Panel SDCC 2014 | Mike Tyson Mysteries | Adult Swim (Featurette) Mike Tyson Mysteries | San Diego Comic Con 2014 Sneak Peek | Adult Swim (Teaser) Original Size (3840x2160) Original Size (1280x720) Original Size (3840x2160) Original Size (2000x3000) Original Size (2000x3000) Original Size (1000x1500) Original Size (500x750) Season 1 10 Episode(s) 2014-10-27 Season 2 20 Episode(s) 2015-11-01 Season 3 20 Episode(s) 2017-05-14 Season 4 20 Episode(s) 2019-06-30