diff --git a/light9/web/light9-vidref-replay.js b/light9/web/light9-vidref-replay.js
--- a/light9/web/light9-vidref-replay.js
+++ b/light9/web/light9-vidref-replay.js
@@ -33,6 +33,10 @@ class Light9VidrefReplay extends LitElem
         }
         const i = _.sortedIndex(this.songToVideo, [songTime],
                                 (row) => { return row[0]; });
+        if (i == 0 || i > this.songToVideo.length - 1) {
+            isPlaying = false;
+        }
+        
         this.videoTime = this.songToVideo[Math.max(0, i - 1)][1];
 
         this.outVideoCurrentTime = this.outVideo.currentTime;