How many movies have Dan Haskett and Sam Register collaborated on?

They have worked on 6 movies together! Their first movie together was Scooby-Doo! Legend of the Phantosaur (2011) while their highest rated movie together was Scooby-Doo! and the Curse of the 13th Ghost (2019). They have not worked together since Trick or Treat Scooby-Doo! (2022). They are most known for their family films together.