How many movies have Keiichi Hasegawa and Takeshi Tsuruno collaborated on?

They have worked on 4 movies together! Their first movie together was Ultraman Tiga & Ultraman Dyna: Warriors of the Star of Light (1998) while their highest rated movie together was Superior Ultra 8 Brothers (2008). They have not worked together since Ultraman Saga (2012). They are most known for their action films together.