* Dexter frequently uses aliases that references Bret Easton Ellis books/movies. These include using Patrick Bateman (the main character from American Psycho (2000)) when buying tranquilizers and Sean Ellis (reference to both Ellis and Sean Bateman - from The Rules of Attraction (2002)) when seeing a psychiatrist.
* The advertisement on Foxtel in Australia promoting Dexter was pulled after the South Australian government filed complaints regarding the mention of Adelaide (A city in South Australia) having the highest serial killer count per capita.
* Ranked #30 on Empire magazine's 50 Greatest Tv Shows Of All Time (2008).
* Though they play brother and sister in the series, having met on the show, Michael C. Hall and Jennifer Carpenter married on 31st December 2008.