How many movies have Chad Riley and Valerie Biggin collaborated on?

They have worked on 4 movies together! Their first movie together was Hailey Dean Mysteries: 2 + 2 = Murder (2018) while their highest rated movie together was Mystery 101: Killer Timing (2021). They have not worked together since Mystery 101: Killer Timing (2021). They are most known for their tv movie films together.