How many movies have Caroline Hecht and Hannes Jaenicke collaborated on?

They have worked on 5 movies together! Their first movie together was Ein Vater zu Weihnachten (2001) while their highest rated movie together was Allein unter Töchtern (2007). They have not worked together since Dora Heldt: Wind aus West mit starken Böen (2016). They are most known for their comedy films together.