Nudity (w/out sex) is show and implied in a couple of scenes.

A young human man and a young betazoid woman kiss outside of a bar but they are quickly interrupted before anything else happens.

A young human man and a young betazoid woman are seen naked in bed but their privates are obscured. Skin is shown, though. It is implied that they have sex.

A young Romulan woman is punched in the face. This is done for comedy. (No blood).

Frequent use of coarse language includes; *ss, d*mn, h*ll, b*st*rd, b*tch, sh*t, and f-word. Also frequent vain references of Deity; G*d, etc.

Caleb gives two middle fingers in one episode, but he does it so quickly it's hard to see.