Well, I do know what the worst Bond film was: Never Say Never Again. That was terrible. Sean Connery goes from suave to... cantankerous. It had my uncle in it at one point, that was really the only point in watching it ...well, for my family anyway. I thought it was just useless to watch at all. And then, second worse was License to Kill. That had the short-lived Timothy Dalton version of Bond.
I can't really decide for the best storyline.