How many movies have Hynden Walch and Sam Register collaborated on?

They have worked on 10 movies together! Their first movie together was Big Top Scooby-Doo! (2012) while their highest rated movie together was Justice League Dark: Apokolips War (2020). They have not worked together since Teen Titans Go! & DC Super Hero Girls: Mayhem in the Multiverse (2022). They are most known for their animation films together.