Since 2015 the Groen Brothers make videos for the Dutch children TV show Het Klokhuis. These videos are conceived and created by David and Simon. The cast consists of respected Dutch actors, including Alex Klaasen and Remko Vrijdag. Currently, the Groen Brothers produce one video per month. On our facebook page we will keep you informed when new videos are being broadcast. Of course you can watch the videos on this website. Mind you: these videos are in Dutch.