How many movies have Petchtai Wongkamlao and Pichanond Wongwittayamaytakul collaborated on?

They have worked on 3 movies together! Their first movie together was Saranair: The Movie (2009) while their highest rated movie together was See A Ghost (2010). They have not worked together since How They Save the World! (2012). They are most known for their comedy films together.