The series follows a boy and his sex therapist mother who set up an ad-hoc clinic in his school.
With that subject matter you can expect plenty of scenes of people going at it, which even the most talented of actors can struggle with (or in the case of Olivia Colman, involves some devilish pranks).
To get it right, the cast of Sex Education had an 'intimacy director' to choreograph the scenes, and they told Digital Spy and other media that they're glad they did. . .