diff --git a/blocks/slides/slides.js b/blocks/slides/slides.js
index 9a38e7b70..d140f433c 100644
--- a/blocks/slides/slides.js
+++ b/blocks/slides/slides.js
@@ -380,7 +380,15 @@ async function renderSlideBlock(block) {
 }
 
 export default async function decorate(block) {
-  const slideId = block.childElementCount === 1 ? block.firstElementChild.textContent?.trim() : '';
+  let slideId = block.childElementCount === 1 ? block.firstElementChild.textContent?.trim() : '';
+  if (!slideId) {
+    // UGP-14675 Anchor fallback for transitional pages
+    const anchor = block.querySelector('a[href*="/slides/"]');
+    if (anchor) {
+      const href = anchor.getAttribute('href');
+      slideId = href.split('/slides/').pop() || '';
+    }
+  }
   if (slideId) {
     block.classList.add('hide-slides');
     fetchSlideById(slideId).then((slideResponse) => {