How many movies have Ainon Ariff and Nur Fathiah Diaz collaborated on?

They have worked on 3 movies together! Their first movie together was Geng: The Adventure Begins (2009) while their highest rated movie together was Upin & Ipin: Jeng Jeng Jeng! (2016). They have not worked together since Upin & Ipin Edisi Ramadan Raya (2022). They are most known for their adventure films together.