An episode revolves around breast implants.

Sex references are said.

Sexual relations is a topic commonly discussed in 'Everybody Loves Raymond', the series' earlier years mostly only show couples getting ready to have sex and never show the act, but around the third season the show starts being more direct with its sexual references, a significant amount of episodes focus on sex, but the series only shows couples under the sheets giggling. The series never shows any sexual activity, but its discussion of the topic can be moderate to severe in certain episodes.

Marie and Robert's first wife get into a verbal argument and when Marie reaches her boiling point she tries to make a leap towards her, but is restrained by Raymond.

In one episode Debra goes through PMS and ends up taking it out on Raymond, nothing physical but she does scream and yell at him very aggressively.

Bitch is used in one episode.

Bitch is used in some episodes.

In 9 seasons, they never said the F word.

God's name is used in vain a lot throughout the show.

Crap, damn, hell, and ass are used generally every episode, but they nowhere near pervasive.

Marie calls Frank a son of a bitch in one episode, and in that same episode she says damn. This is unusual because Marie rarely curses.

In one episode, two of the main characters get drunk.

An episode revolves around smoking cigarettes.

In one episode Robert asks Raymond if he's doing cocaine due to asking a $3k loan for his bills.

There is drinking in some episodes.

In one episode, Marie mistakenly believes that Debra is a drinker.

Marie asks Ray about a party he had when they find a beer cap in the A.C. vent, and she asked him if he smoked, to which he replies, "Smoked what?"

Certain episodes touch on emotional and sensitive topics such as death, divorce, affairs, and other topics, things like this are a common aspect of the show, especially near the series' later seasons. The intensity is never extreme, but episodes are known to get quite emotional at times.