To me season 2 was better than both for the simple reson that Klaus made a better villain than either Mikael/Esther or Silas
In season 3 the big plotline was vampire genocide and in season 4 it was suicide(Silas' suicide and the cure generally meant vampirism suicide) but both are weaker than the werewolf vampire 'war' and the threat of an all powerful hybrid in season 2
Though to me season 3 was better than 4 because i didnt really like how Jeremy was killed,Elena went psycho to have of all things Bonnie to die to bring back Jeremy..what was all that for? ..completely moot and anti-climactic
What do you think?