How many movies have Phoenix O'Reilly and Summer O'Reilly acted in together?

They have worked on 4 movies together! Their first movie together was Howard Lovecraft & the Frozen Kingdom (2016) while their highest rated movie together was The Steam Engines of Oz (2018). They have not worked together since Howard Lovecraft & The Kingdom Of Madness (2018). They are most known for their fantasy films together.