Welcome back to The Expanse. During the show's San Diego Comic-Con panel Saturday, Amazon unveiled the trailer and premiere date for The Expanse season 4, which debuts Dec. 13. This will be the first installment since Amazon revived the former Syfy series. On Friday, the cast and creative team stopped by EW's video studio (the interview can be seen above), and showrunner Naren Shankar said season 4 “is a new starting point for the show and it changes everything going forward.” Star Dominique Tipper added, “It expands.” (Hey, I see what you did there!) Here's the more official description of the new season: “Season 4 of The Expanse, its first as a global Amazon Original, begins a new chapter for