Das Stacheltier - Der Wintermantel(1954)

A little man wants to order a warm coat from a fabric he has brought with him to a tailor's workshop in winter. He is laughed at and told that orders for this type of garment are only accepted in the summer - after all, they work to a schedule. When the customer continues to insist on his request, he is declared insane by the employees of the atelier - they are not a capitalist company after all. This infuriates him so much that a neurologist, the fire department and an ambulance are called. The doctor clarifies the situation and advises the first tailor to have a word with his assistant. "I'm normal," he claims. "I believe it," replies the doctor, "but will the others believe it...?"