None in episode 1, besides from some mild romance.

In episode 2, a man shows several people a picture of a nude woman, who's breasts are covered. This picture is shown again in episode 3. A man throws a stone on a poster, obviously showing a completely naked woman, her breasts are visible here.

In episode 3, as a joke, Pat asks Rico if he got a nude picture of Carmencita.

In episode 4, a man asks several people if their bed wetters already p***ed their pants.

In episode 5, two thugs slap a cute waitress in the butt. One of them attempts to seduce her, but gets interrupted by a soldier. In one funny scene late in this episode, a man mentions having walked into the toilet reserved for cadets, and took a leak. The woman listening to this blushes.

None in episode 6.

Episode 1 opens with a combat between some mecha robots and some unseen creatures. A man suspects that a war is gonna break out. Also, Johnny Rico gets slapped in the face by his mother.

In episode 3, it is revealed Earth has been attacked, and that millions of people have been killed. Carmencita slaps Rico in the face. People in armor battle suits are in war against shooting weapons as a part of a hard training on moon. A man punches another man.

Swearing andd insults can be heard throughout, including words which could mean stuff like "damn", "bastard", "scumbags", "hell", "dimwit" and more. It is all uttered in Japanese.

In episode 1, some party people hold their glass of wine. Also, Johnny Rico gets surprised as he discovers his father smoking a cigarette.

None in episode 2.

Very late in episode 3, a man has gotten a bottle of alcoholic drink from an officer's room.

None in episode 4.

Episode 5 has some scenes involving beer drinking. One of the thugs can be seen putting a cigarette in his mouth during the bar scene.

None in episode 6, except from a brief reference to drinking.

The aliens who appear in the anime may frighten some children.