How many movies have Cesar S.B. Abella and K.C. Castilla collaborated on?

They have worked on 1 movie together! Their first movie together was Bibingka Apoy Sa Ilalim Apoy Sa Ibabaw (2002) and was their highest rated movie together. They have not worked together since Bibingka Apoy Sa Ilalim Apoy Sa Ibabaw (2002).