How many movies have Detlev Buck and Martin Seifert acted in together?

They have worked on 3 movies together! Their first movie together was Bibi & Tina: Bewildered and Bewitched (2014) while their highest rated movie together was Bibi & Tina: Girls vs. Boys (2016). They have not worked together since Bibi & Tina: Perfect Pandemonium (2017). They are most known for their family films together.