Following the Nazi seizure of power in 1933, Jewish performers were forbidden to appear in Germany, and many moved to Vienna. Grünbaum was the subject of an article in "Der Stürmer" the following year. His and Farkas' last revue, "Metro Grünbaum – Farkas tönende Wochenschau", premièred on 29 February 1938; on 12 March, the Nazis marched into Austria and the show closed after two weeks.