How many movies have Mort Sertner and Robert M. Sertner collaborated on?

They have worked on 5 movies together! Their first movie together was I Married a Centerfold (1984) while their highest rated movie together was The Great Los Angeles Earthquake (1990). They have not worked together since Calendar Girl, Cop, Killer? The Bambi Bembenek Story (1992). They are most known for their tv movie films together.