Netflix Just Dropped the First 'Sex Education' Season Four Trailer — and Announced That the Series Is Ending

High school ends and, soon, so will one of Netflix's big hits that's set in and around that very setting. Since 2019, the streaming platform has taken viewers to the fictional Moordale Secondary School, where Otis Milburn (Asa Butterfield, Flux Gourmet) followed his sex-therapist mum Jean's (Gillian Anderson, The Great) lead and started giving advice to his classmates. In September, the series will move the action over to Cavendish Sixth Form College. But after the show returns for its fourth season in its new surroundings, classes will be out — permanently.

Good news, bad news, basically: the hit series will be back within mere months (and has just dropped the first teaser trailer to prove it), but will only return for one last go-around.

Announcing the news, Sex Education creator, lead writer and executive producer Laurie Nunn said that "a lot has happened since our first writers room in 2017, when we spent a month in a cramped office above a sex shop, talking about what it felt like to go through puberty".

"We wanted to make a show that would answer some of the questions we all used to have about love, sex, friendship and our bodies. Something that would have helped our inner teenagers feel a little less alone. It's been overwhelming seeing how the show has connected with people around the world, and we hope it's made some of you feel a little less alone, too," Nunn continued.

"This was not an easy decision to make, but as the themes and the stories of the new season crystallised, it became clear that it was the right time to graduate."

Sex Education will drop its fourth and final season on Thursday, September 21, complete with the show's familiar faces — Butterfield and Anderson, of course, as well as Ncuti Gatwa (the next Doctor Who), Aimee-Lou Wood (Living), Emma Mackey (Emily), Connor Swindells (Vigil), Kedar Williams-Stirling (Small Axe) and more.

Helping them say farewell: Schitt's Creek favourite Dan Levy, Thaddea Graham (Doctor Who), Lisa McGrillis (Last Night in Soho), Marie Reuther (The Kingdom), Jodie Turner Smith (White Noise) and Eshaan Akbar (Spitting Image).

Plot-wise, the final season will follow Otis and Eric (Gatwa) at their new school, with Otis worrying about setting up his new clinic, Eric hoping they'll be more popular, and all ex-Moordale students getting a culture shock.

Check out the first teaser trailer for Sex Education season four below:

Sex Education season four will stream via Netflix from Thursday, September 21.