How many movies have Kazuo Tsuburaya and Keiichi Hasegawa collaborated on?

They have worked on 4 movies together! Their first movie together was Ultraman Tiga: The Final Odyssey (2000) while their highest rated movie together was Superior Ultra 8 Brothers (2008). They have not worked together since Superior Ultra 8 Brothers (2008). They are most known for their science fiction films together.