diff --git a/doc/pub/week35/html/week35-reveal.html b/doc/pub/week35/html/week35-reveal.html
index b73fa4832..35ceda385 100644
--- a/doc/pub/week35/html/week35-reveal.html
+++ b/doc/pub/week35/html/week35-reveal.html
@@ -165,6 +165,7 @@ MathJax.Hub.Config({
 <p><li> Thursday: Review of  ordinary Least Squares with applications and discussion of Ridge Regression and Singular Value Decomposition</li>
 <p><li> <a href="https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember2.mp4?vrtx=view-as-webpage" target="_blank">Video of lecture Thursday</a>.</li>
 <p><li> Friday: Analysis of Ridge and Lasso Regression and links with Singular Value Decomposition</li>
+<p><li> <a href="https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember3.mp4?vrtx=view-as-webpage" target="_blank">Video of lecture Friday</a></li>
 </ul>
 </section>
 
diff --git a/doc/pub/week35/html/week35-solarized.html b/doc/pub/week35/html/week35-solarized.html
index 1c55e0e31..f0904ed88 100644
--- a/doc/pub/week35/html/week35-solarized.html
+++ b/doc/pub/week35/html/week35-solarized.html
@@ -311,6 +311,7 @@ MathJax.Hub.Config({
 <li> Thursday: Review of  ordinary Least Squares with applications and discussion of Ridge Regression and Singular Value Decomposition</li>
 <li> <a href="https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember2.mp4?vrtx=view-as-webpage" target="_blank">Video of lecture Thursday</a>.</li>
 <li> Friday: Analysis of Ridge and Lasso Regression and links with Singular Value Decomposition</li>
+<li> <a href="https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember3.mp4?vrtx=view-as-webpage" target="_blank">Video of lecture Friday</a></li>
 </ul>
 
 <!-- !split --><br><br><br><br><br><br><br><br><br><br>
diff --git a/doc/pub/week35/html/week35.html b/doc/pub/week35/html/week35.html
index 3b8ae81f9..99a50f6c0 100644
--- a/doc/pub/week35/html/week35.html
+++ b/doc/pub/week35/html/week35.html
@@ -316,6 +316,7 @@ MathJax.Hub.Config({
 <li> Thursday: Review of  ordinary Least Squares with applications and discussion of Ridge Regression and Singular Value Decomposition</li>
 <li> <a href="https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember2.mp4?vrtx=view-as-webpage" target="_blank">Video of lecture Thursday</a>.</li>
 <li> Friday: Analysis of Ridge and Lasso Regression and links with Singular Value Decomposition</li>
+<li> <a href="https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember3.mp4?vrtx=view-as-webpage" target="_blank">Video of lecture Friday</a></li>
 </ul>
 
 <!-- !split --><br><br><br><br><br><br><br><br><br><br>
diff --git a/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz b/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz
index c6218905a..421ebf2b7 100644
Binary files a/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz and b/doc/pub/week35/ipynb/ipynb-week35-src.tar.gz differ
diff --git a/doc/pub/week35/ipynb/week35.ipynb b/doc/pub/week35/ipynb/week35.ipynb
index 1ea40642f..20a7ef0ed 100644
--- a/doc/pub/week35/ipynb/week35.ipynb
+++ b/doc/pub/week35/ipynb/week35.ipynb
@@ -25,6 +25,8 @@
     "\n",
     "* Friday: Analysis of Ridge and Lasso Regression and links with Singular Value Decomposition\n",
     "\n",
+    "* [Video of lecture Friday](https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember3.mp4?vrtx=view-as-webpage)\n",
+    "\n",
     "## Thursday September 2\n",
     "\n",
     "The main topics on Thursday are:\n",
diff --git a/doc/src/week35/week35.do.txt b/doc/src/week35/week35.do.txt
index 13bb7abf1..771324732 100644
--- a/doc/src/week35/week35.do.txt
+++ b/doc/src/week35/week35.do.txt
@@ -10,6 +10,7 @@ DATE: today
 * "Video of lecture Thursday":"https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember2.mp4?vrtx=view-as-webpage".
 
 * Friday: Analysis of Ridge and Lasso Regression and links with Singular Value Decomposition
+* "Video of lecture Friday":"https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h21/forelesningsvideoer/LectureSeptember3.mp4?vrtx=view-as-webpage"