for me it would have to be blue seed becuase it was only on once and it wasa good series then they nver showed it again and i never hear anyone talk about or anything
which is sad because i really liked the art work and detail they put into it.
its also a manga and i have yet to find the manga because they
dont sell it here where i live which has me questioning wither or not
of blue seed ever gained any recognition at all for a good anime.