It's implied that a teenage boy is giving a male police officer oral.

Tabby is filming the guys locker room in school, and you can see guys walking around in towels and there is some rear nudity. There is also a very brief scene of male frontal nudity. But blink and you miss it.

Two characters have implied sex.

Someone's throat gets slit

Very little onscreen gore

Lots of cursing of all kinds.

Some underage drinking in parties.

An adult character has a drug addiction throughout the series, and meetings with her dealer are shown

Numerous references to underage drinking and several scenes depicting it heavily