How many movies have Gene Roddenberry and William Ware Theiss collaborated on?

They have worked on 4 movies together! Their first movie together was Pretty Maids All in a Row (1971) while their highest rated movie together was Star Trek: The Next Generation – The Best of Both Worlds (2013). They have not worked together since Star Trek: The Next Generation – The Best of Both Worlds (2013). They are most known for their science fiction films together.