There's one scene where a woman is wearing a bra.

Early in the show, there's a scene where Mandy is undressed in her underwear sitting at night in front of a fire. She sits meditating in front of the fire. Quick scene.

Sexual content and references are kept to a minimum low in Seasons 2 and 3.

In season 8, some dancers are topless in a strip club. The womens' backs are turned to the camera, and they are in the background.

In one scene, a stripped man falls to the ground and his buttocks are briefly visible.

Characters of multiple genders are seen in various states of undress (no explicit content). Naked characters are sometimes seen in bed, with lots of skin but no sensitive areas shown.

Several characters have make out onscreen. There are brief men/women kissing scenes.

The term "screw" is used sexually, and there is lots of mention of people sleeping together, having affairs, etc.

Mostly passionate kissing shown.

Elisha Cuthbert wears a top that shows some cleavage.

A man and woman can be seen in the mirror kissing passionately.

In season 5, we see a 13-year-old girl who has been kept as a sex slave by a much older man. She has many bruises and marks on her body.

Despite being the shows primary protagonist, Jack Bauer is seen to be ruthless and will stop at nothing in getting the answers he needs. Showing some violent confrontations.

Many shootings in season 5, some blood is seen but mostly on the nearby walls.

Some stabbings and shootings are shown, Jack is shown punching and beating up people quite a lot.

The main character Jack Bauer has a recorded 233 kills across the seasons with 4/5 kills as a result of gunshots and nine kills from season two onwards as a result of neck breaking. The shooting scenes usually do not show blood explicitly and usually has the person just fall to the ground.

For a brief overview suspect are interrogated usually are injected with a type of chemical that induces pain.

Some of the more "extreme" episodes feature viral outbreaks, plane crashes, toxic gases, hostage takings, and nuclear detonations.

We see several bloody bullet holes in various parts of peoples' bodies.

A man kills multiple people with a sniper, no blood is shown.

A man slides a knife into another man's kneecap.

A man is graphically shot in the head with a sniper rifle.

A man's arm in amputated offscreen.

In season 8, we see some bloody images of people that Jack has shot and killed.

Pretty mild. The word "damn it" "hell" or the phrase "son of a bitch" is used in most episodes.

Very brief uses of strong language: "Asshole", "Goddamn", and "Dick" are all said once throughout the series.

"Fuck" is only said one single time, in the season 4 prequel.

Morris O'Brian, a character that appears in four seasons between five and eight, is a recovering alcoholic. At one point, while stressed out over his job at CTU, he buys a bottle of liquor. However, he doesn't take a drink from it and his sobriety is left untarnished.

With the exception of season three, 24 contains only small, infrequent incidences of drinking, smoking, and drugs.

The story-line of season 3 revolves around drugs. There are several graphic scenes of characters shooting up heroin. Nevertheless, the pain and torment characters experience from using drugs puts substance abuse in a very negative light.

A major sub-plot is Jack Bauer's addiction to heroin.

When a woman's arm is broken, another character shoots her up with an IV using narcotics as a painkiller.

Each season involves some sort of terrorist threat. This includes biochemical weaponry, nuclear weaponry, and assassination attempts made against various public figures.

The torture scenes could be described as "intense".

Several characters have intensely emotional death scenes. The majority of the show is based off of major characters being harmed or being in peril, and it is very rough to watch when main characters are killed graphically.

The entire series is very intense due to its non stop nature.

Many (most) characters have met an untimely death.

In season 8 there is a scene where a man is tortured and gutted and there is a lot of blood involved.