You are hereUCG.org / Sermons / What Is the Unpardonable Sin? What Is the Unpardonable Sin? Given on Nov 19, 2016 by Gary Petty Listen Downloads MP3 Audio (12.27 MB) Downloads What Is the Unpardonable Sin? MP3 Audio (12.27 MB) × Christians sometimes throw around the phrase, "the unpardonable sin." Is there a single sin that God cannot forgive? What is the unpardonable sin?