diff --git a/trailer.html b/trailer.html
index 5bad57e..1686c8f 100644
--- a/trailer.html
+++ b/trailer.html
@@ -521,7 +521,8 @@
     var imgs = boardImages(shots, cast);
     var s = String(meta.draw_state || "");
     var drawing = s && !/^(drawn|failed)/.test(s);
-    var isLead = meta.writer === RUN.lead_writer;
+    // A part of a chapter is always "the script" - there is nobody to choose between.
+    var isLead = meta.writer === RUN.lead_writer || /^part-/.test(String(meta.writer));
     var out = [];
 
     if (!isLead) out.push('<button type="button" class="btn primary" data-lead="'
@@ -1024,7 +1025,7 @@
   // anyone who wants it; nobody has to understand it to get a film made.
   function guideHtml(meta) {
     var shots = PKG.shots || [];
-    if (!shots.length || meta.writer !== RUN.lead_writer) return "";
+    if (!shots.length || (meta.writer !== RUN.lead_writer && !/^part-/.test(String(meta.writer)))) return "";
     var ds = String(meta.draw_state || "");
     var drawing = ds && !/^(drawn|failed)/.test(ds);
     var toDraw = Number(PKG.pictures_to_draw || 0);