Old woman is shown laughing at some magazine with a fully nude woman on its cover.
A few minutes long sequence showing (in a very objectifying way) several young men and young women dressed only in swimwear.
Three teenage girls are voyeuristically watching two attractive guys in swimsuits through binoculars. They have no idea that they themselves are being watched by two other teenage boys.
In several different scenes, a young man is wearing a tank top so low-cut that he's practically shirtless.
Teenage girl takes off her blouse in front of teenage boy in the park. Her bare back and a one-second glimpse of a topless nudity is shown.
Teenage girl watches teenage boy and girl undressing and kissing each other (only their silhouettes in the window are shown). It is implied that they then have sex together, but off-screen.
Male lead is shown in different variations of skimpy clothing (tank tops, unbuttoned shirts and overalls, swim trunks).
Teenage boy and teenage girl are making out in a boat. The guy is shirtless and starts undressing the girl (Only her bare back is shown). They kiss and probably have sex off-screen.
A sensual sunbathing scene in which several teenage boys and girls in skimpy clothes or shirtless (boys) kiss and caress each other.
A scene in which two different teenage boys (twins) and two different girls are shown making out in some warehouse full of boxes. One girl has her shirt unbuttoned and both her breasts are shown, the other girl takes her blouse completely off for a moment (topless nudity again). Both guys are fully clothed.
A scene in which an entire class of high-school students prank their teacher by undressing in front of her. All the boys are shown shirtless and all the girls topless.