How many movies have Gerry Arguelles and Simon C. Ongpin collaborated on?

They have worked on 2 movies together! Their first movie together was Kapag May Katwiran... Ipaglaban Mo: The Movie (1995) while their highest rated movie together was Patayin sa Sindak si Barbara (1995). They have not worked together since Patayin sa Sindak si Barbara (1995).