While it is not listed as being the final season, season 8 starts a bit earlier this year, on June 30th:
As much as we love our yearly doses of Showtime’s ‘Dexter,’ the wait time in between seasons can be torturous given the shocking cliffhangers doled out each year. Thankfully, ‘Dexter’ fans will be excited to learn that Showtime has decided to premiere ‘Dexter’s likely final year early, debuting in June 2013! So why the big change? Find out why ‘Dexter’ fans will be seeing season 8 early inside!