Showtime today finally confirmed that its flagship drama Dexter will end its run with its upcoming eighth season. “When it debuted in 2006, Dexter redefined the genre, by taking the anti-hero to new heights and pushing the boundaries of the television landscape,” said Showtime Networks chairman and CEO Matthew C. Blank. “Dexter paved the way for the next generation of award-winning hit Showtime series, and its cultural impact will be felt for years to come.” In addition to breaking ratings records, something the veteran series continued to do even in its most recent seventh season, Dexter has been a great launching pad for Showtime. It helped establish Homeland as a hit, serving as a lead-in for the terrorism drama’s first two seasons. And now Dexter is tasked again to launch a new series with its final season, which will lead into new drama Ray Donovan. It premieres June 30 at 9 PM. The end game of Dexter was mapped out two years ago when Showtime closed a two-year deal with series star Michael C. Hall after difficult negotiations and gave the drama a two-season renewal to wrap its story. Showtime brass never publicly confirmed the plan so it could be announced closer to the final-season premiere for bigger impact, though CBS Corp CEO Les Moonves let the “secret” slip last month when he talked about “Dexter‘s last season starting in June” at an investor conference. In conjunction with the announcement, Showtime today released the first teaser for Dexter‘s final chapter: