Yes, that was Season 4. It wasn't nearly as good as the first three. I think it's because they had massive expectations from everyone to make this the Best.Season.Ever. And they failed. They took the essence of the show - Sherlock and Watson solving mysteries - and turned it upside down. That being said, they could re-right the ship if done properly, or they could make it worse. But if they decided to end it, I could live with such an ending, where all the threads are neatly tied up.