Topless women seen in a strip club. No actual nudity seen though.

Multiple episodes have topless male nudity, some have full male nudity from the rear. No female nudity.

In Episode Donor, there is female nudity from the rear

frequent sex references, but no actual scenes as such. Most are played for laughs

lots of jokes made about sex.

a character thinks she is pregnant.

some fight scenes, or characters getting hurt, all played for laughs.

some strong language, frequent uses of shit, bastard, and occasional uses of the f word.

a few references to drugs, Tim accidentally ends up with someone else's cocaine.

some drinking at parties

Tim and Lee buy a bag of what they thought was drugs but is actually washing powder.

not many. Only one that could scare younger viewers is the camping episode in series 5 where people are dressed up as clowns, quite scary and intense.