In this image released by PBS, Marlene Dietrich portrays Lola Lola, left, and Emil Jannings portrays Professor Immanuel Rath in a scene from the 1930 German film, "The Blue Angel. " Through film clips, behind-the-scenes archival and rare footage, photographs and first-person accounts, "Cinema's Exiles: From Hitler to Hollywood" traces the experiences of the exiles who took refuge in Hollywood after Adolf Hitler became chancellor of Germany and examines their impact on both German and American cinema. The program  airs, Thursday, Jan 1 at 9:30 p.m. EDT on PBS. AP Photo logo AP Photo 11 months ago

In this image released by PBS, Marlene Dietrich portrays Lola Lola, left, and Emil Jannings portrays Professor Immanuel Rath in a scene from the 1930 German film, "The Blue Angel. " Through film clips, behind-the-scenes archival and rare footage, photographs and first-person accounts, "Cinema's Exiles: From Hitler to Hollywood" traces the experiences of the exiles who took refuge in Hollywood after Adolf Hitler became chancellor of Germany and examines their impact on both German and American cinema. The program airs, Thursday, Jan 1 at 9:30 p.m. EDT on PBS.