So I haven't seen a new episode in over 10 years but I was thinking what episode is the most mean spirited.

I was thinking about the episode where Peter had a failing restaurant and Joe says he will brings his friends by. Peter gets mad because they are in wheelchairs not officers. how messed up is that that his friend brings friends to save his business and petter fights them

Also and early episode where everyone blames meg for knocking out the cable

also the one where they are to meg when they are writing the pilot episode I think it was for the show with the wood oven and playing cards.

but I am sure there are much worse examples even in the episode I have seen I watched from 1999 to 2014