diff --git a/_modules/week-04.md b/_modules/week-04.md
index e4d8329..b94e6b1 100644
--- a/_modules/week-04.md
+++ b/_modules/week-04.md
@@ -19,7 +19,7 @@ Sep 18
 
 Sep 20 
 : **10**{: .label} Sorting and Filtering Rows
-  : Slides • Code • Blank Code 
+  : [Slides](https://docs.google.com/presentation/d/1-_Lot-_BERSWnq_czksN9zKh8PPaLIADTsd4BiCdcDw/edit?usp=sharing) • Code • [Blank Code](https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fdata-6-berkeley%2Fmaterials-fa24&branch=main&urlpath=tree%2Fmaterials-fa24%2Flectures%2Flec08%2Flec08-blank.ipynb)
 : *Optional Reading:* [CIT 6.1](https://inferentialthinking.com/chapters/06/1/Sorting_Rows.html), [CIT 6.2](https://inferentialthinking.com/chapters/06/1/Sorting_Rows.html)
 : **Discussion 4**{: .label .label-discussion} Documentation, Array Operations & Table Methods
   : [Worksheet](https://drive.google.com/file/d/1sAJukjEekeoT5J3oVYQpRcKQR5OkhOsW/view?usp=sharing)