quite a bit but all censored

The series had numerous violent stunts.

The stuntmen often gets seriously injured at such point that they break their bones.

And in case you haven't guessed, the whole series is titled "Jackass".

In every episode, there is gratuitous use of profanity. Although most of the profanity is bleeped out, even on DVD.

some characters can be seen drinking beer's sometimes

It is important to note that none of the stunts here are meant to be performed, which is exactly why Warning/Reminder disclaimers are presented at the beginning and ending of each episode and movie.

A lot of gross out moments and a lot of puking in several skits.