Yep, they used the pilot film as a trailer so none of the animation made it into the anime.
It's like the first pv or teaser of Druaga no To that used the old chara design by Akiko Asaki though the anime will use design made by Junichi Takaoka as seen on pv2.
PV 1 :
http://www.youtube.com/watch?v=b6WeX3dhU0U
PV special :
http://www.youtube.com/watch?v=fcwjfSY0OY8