There is violence in only one episode, a character is shot in the face, blood splatters on the wall behind them and the injury is shown in graphic detail.
Profanity
Mild
Some videos involve him using the ableist slur "retarded"
Fred often says "oh my gammit" which is a clear reference to "damnit."
Other mild profanity like "hell" "crap" and "sucks"
Alcohol, Drugs & Smoking
Moderate
It is implied that Fred's mom is drunk in many videos