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.