How many movies have Robert Fewkes and Sam Register collaborated on?

They have worked on 4 movies together! Their first movie together was LEGO DC Super Hero Girls: Brain Drain (2017) while their highest rated movie together was LEGO DC Comics Super Heroes: The Flash (2018). They have not worked together since LEGO DC Comics Super Heroes: Aquaman - Rage of Atlantis (2018). They are most known for their animation films together.