Is Bleach episode 200 filler?
Canon No, episode 200 of Bleach is canon.
#200
The Hardest Body!? Cut Down Nnoitra
最硬の体！？ノイトラを斬れ
Aired 23 Dec 2008
Mochibayo compiled this list from MyAnimeList's labels, because MyAnimeList's episode data is not reaching us at the moment.