Watch Treblinka's Last Witness Full Movie Free Online 123Movies. Samuel Willenberg and Kalman Taigman, the last two survivors of the Nazi extermination camp Treblinka, recount the horrors they experienced during the war and talk about their lives after their escape in a prisoner uprising in 1943. Willenberg would go on to become a hero of the 1944 Warsaw uprising while Taigman would be called as a witness during the infamous trial of Adolf Eichmann.