How many movies have Masato Tanaka and Shinjiro Otani acted in together?

They have worked on 8 movies together! Their first movie together was ECW International Invasion: The Best of Super Crazy, Tajiri, Taka & Tanaka (1999) while their highest rated movie together was Oh! My Zombie Mermaid (2004). They have not worked together since NJPW Wrestle Kingdom 7 (2013).