Yeah, i definitely agree that Season 1 is the reason i am still watching this show. Everything after that, including Season 2 and 3A were not that great, though Season 2 was amazing compared to some of the later stuff which has been terrible.
And none of the characters that were introduced after Season 1 have really worked, in my opinion. None of the new characters ever had the depth that the earlier characters did. Except maybe Pan.