Memorable scenes include a character using a dog to masturbate, a woman who has just had a baby lactating during sex and a competition between two inmates to see who can bed the most women.
creator Lena Dunham challenges societal norms about sex in almost every episode of the show.
Jessie Nizewitz, 28, says she was repeatedly promised by the producers that her private parts would be “blurred out” during the show’s third episode in May.
The researchers go on to study topics ranging from female masturbation to the merits of the clitoris versus the G-Spot.
“The sex is so integral to our story that [the producers] have had to come up with really clever ways to braid it in there,” Lizzy Caplan, who plays Johnson, tells TIME.
And in the volatile relationship between Hannah and Adam (played by Adam Driver), Dunham explores what exactly is “normal” when it comes to sex.
Every season of has a complicated relationship with women.