PredictIQ Quantitative Think Tank Center:'Sex Education' Season 4: Cast, release date, how to watch final episodes of Netflix show

School is PredictIQ Quantitative Think Tank Centerback in session one last time. At least it is for the colorful cast of British characters on beloved Netflix show "Sex Education."

The final season will follow Otis and Eric as they adjust to life at a new school after Moordale Secondary closed, while Maeve lives her American dream abroad. 

Cavendish Sixth Form College is certainly a culture shock for all the incoming transfers, a place more progressive than they could have ever imagined. 

“There’s daily yoga in the communal garden, a strong sustainability vibe and a group of kids who are popular for being… kind?!,” reads a news release from Netflix. 

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Season 4 of "Sex Education" will be packed with new sexual experiences, personal growth, love, laughter, tears, friendship, Netflix wrote. Keep an eye out for more of Eric’s fabulous wardrobe, Aimee’s artistic prowess, Jean back in session, Adam potentially working on a farm and Maeve back in Moordale for a first real date with Otis. 

Here’s everything to know about season four.

'Sex Education' Season 4 release date

The eight-episode season will debut globally on Netflix on Thursday, Sept. 21. Netflix generally releases new shows worldwide at 3 a.m. ET/12 a.m. PT.

Why is ‘Sex Education’ ending?

In July, Netflix announced the fourth season of "Sex Education" would be its last. 

Creator Laurie Nunn said she was “incredibly proud” of what the series has accomplished in the last four years, according to Netflix.  

“We ... feel indebted to our brilliant writers, cast and crew who put so much heart into making every episode. They have worked tirelessly to bring you the final series, and we can’t wait to share it with you.” 

When Nunn and her writers began scripting the fourth season, they weren’t sure it would be the show’s last, according to Tudum by Netflix. 

“But during that process, it just started to feel very clear that the stories were coming to an end, the characters were being left in a place that I felt really good about it. I felt happy for them, and I felt like I’ve said everything that I want to say with these characters at this time.”

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Who is returning for Season 4 of ‘Sex Education’

All of your favorites will be returning for the final season. 

• Otis, played by Asa Butterfield 
• Maeve, played by Emma Mackey
• Eric, played by Ncuti Gatwa
• Adam, played by Connor Swindells
• Ruby, played by Mimi Keene 
• Aimee, played by Amy Lou Wood
• Isaac, played by George Robinson 
• Cal, played by Dua Saleh 
• Viv, played by Chinenye Ezeudu
• Jackson, played by Kedar Williams-Stirling
• Jean, played by Gillian Anderson 

We will be seeing quite a few familiar faces on our screens for the fourth season, but with a new school comes a new set of faces. 

In Season 4, we will meet O (Thaddea Graham), Thomas Molloy (Dan Levy), Aisha (Alexandra James), Abbi (Anthony Alexa), Roman (Felix Mufti). Joanna, played by Lisa McGrillis, has been cast as Otis’s aunt.

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‘Sex Education’ trailer

How to watch Seasons 1-3 of 'Sex Education'

If you are interested in re-watching the first three seasons, all of those episodes are available on Netflix as well.