There are never actual sex scenes only before and after sex scenes.

Characters yell and argue, with occasional fights involving shoving and punching.

Some moderately bloody and gory situations are seen such as people being stabbed, shot, burned or even dismembered. For example, a man is seen exploding on a landmine and dies in a bloody manner. Some body parts are later seen on the floor. However, the show is not as gory as the original 911

In S4 EP13 , a guy is very frozen and the doctor tries to do CPR on him and his hand goes straight through his body, pretty nasty and unexpected.

A man has a piece of volcanic rock melted into his chest. Another man dies when he is struck by a volcanic rock, though the after effects are not shown.

Character often ends up in dangerous situations, sometimes ending up in violence and blood.

Uses of hell, ass, and bitch frequently. Words like dick and slut are less frequent and occur more in the first seasons.

Many scenes take place in a bar, which feature beer and hard liquor drinking.

Some action-packed scenes include daring rescues from intense situations such as fires, explosions, and a tornado.

A woman tries to commit suicide in season 2. Could be possibly triggering. While the attempt is not shown, the bloody aftermath is later seen

Portrayal of ptsd and the characters journey to deal with it.