A male is seen shirtless on two or three occasions. A couple are caught twice; once while kissing and once after having sex, while the female is wearing nothing but a sheet.
While traveling into the past, a character mentions her boyfriend and her grandfather, who she is visiting there, says he doesn't want to hear the word "sex" out of her mouth.
A teenage boy and girl kiss on multiple occasions. A teenage boy and girl start to kiss passionately and are caught by a parent, who scolds them. A teenage boy rips open a girl's blouse and we see her bra. They kiss and have sex. No nudity is shown. A girl is being sized by a tailor and is shown in a bra.