How many movies have Debbie Gibson and Lisa Ries collaborated on?

They have worked on 3 movies together! Their first movie together was Mega Shark vs. Giant Octopus (2009) while their highest rated movie together was Mega Python vs. Gatoroid (2011). They have not worked together since Mega Shark vs. Mecha Shark (2014). They are most known for their science fiction films together.