Dr. Maria reviews German comedy/drama Toni Erdmann, a hefty three hour depiction of an aging father's attempts to embarrass his fusty corporate daughter out of her straight-laced ways. And into, erm, 'nunches'. (You'll have to listen.) Due for a Jack Nicholson led remake in the near future, does Erdmann surpass the sad stereotypes surrounding the German sense of humour? Or add fuel to the trope-y fire?