Watch Online Free FlixHQ. This year's Grin til Gavn (Grin for Good) is held at Aarhus Musikhus on December 27 and at Bremen Teater in Copenhagen on December 29. This year's hosts are Mikkel Klint Thorius and Jonas Mogensen! Look forward to a fantastic show with some of the country's best comedians, who are performing to benefit vulnerable children in Denmark and the rest of the world.