Sexual content includes: several sex scenes scattered throughout the eps that show undressing to underwear, moaning and movements; plus oral sex is implied a few times, but no actual nudity. Some scenes involve threesomes. Some crude sexual references pop up.
An ep shows a man putting a woman's arms up (bare armpits shown) to remove her shirt: her bra is shown and he kisses her neck; then he goes down on her kissing her stomach and oral sex is implied by the woman's facial expression.