Television News 'The Expanse' Season 4 to debut on Amazon Dec. 13 07/21/2019 "The Expanse" Season 4 is scheduled to premiere on Amazon Prime Video on Dec. 13. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Shohreh Aghdashloo Steven Strait Wes Chatham Cas Anvar Dominique Tipper Frankie Adams The Expanse
