How many movies have Greg Tiernan and Martin Sherman collaborated on?

They have worked on 8 movies together! Their first movie together was Thomas & Friends: Creaky Cranky (2010) while their highest rated movie together was Thomas & Friends: Splish, Splash, Splosh! (2010). They have not worked together since Thomas & Friends: Spills & Thrills (2014). They are most known for their family films together.