diff --git a/_toc.yml b/_toc.yml
index b7d6417..5c3c448 100755
--- a/_toc.yml
+++ b/_toc.yml
@@ -38,15 +38,23 @@ parts:
     - file: notes/part03/lab03A
     - file: notes/part03/lab03B
 
-
 - caption: Part 4 - MongoDB
   maxdepth: 1
   chapters:
     - file: notes/part04/workshop04
       title: Workshop 4
     - file: notes/part04/assignment04
+    - file: notes/part04/lab4A
+    - file: notes/part04/lab4B
 
-#     - file: notes/part04/lab4B
+  - caption: Part 4 - MongoDB
+    maxdepth: 1
+    chapters:
+      - file: notes/part04/workshop04
+        title: Workshop 4
+      - file: notes/part04/assignment04
+      - file: notes/part04/lab4A
+      - file: notes/part04/lab4B
 
 # - caption: Part 5 - Release Engineering
 #   maxdepth: 1
@@ -74,4 +82,4 @@ parts:
 # - caption: Tools
 #   chapters:
 #   - file: tools/ed_discussion/ed_discussion
-#   - file: tools/github/github
+#   - file: tools/github/github
\ No newline at end of file
diff --git a/notes/part04/lab04A.md b/notes/part04/lab04A.md
new file mode 100644
index 0000000..989e5c0
--- /dev/null
+++ b/notes/part04/lab04A.md
@@ -0,0 +1,7 @@
+# Lab 4A
+
+## Free Work Time
+
+If students want to work in their groups on project work, breakout rooms will be available for groups to use.
+
+A TA will be available in the main room to answer any assignment or project questions.
diff --git a/notes/part05/lab05A.md b/notes/part05/lab05A.md
new file mode 100644
index 0000000..a23a9e9
--- /dev/null
+++ b/notes/part05/lab05A.md
@@ -0,0 +1,7 @@
+# Lab 5A
+
+## Free Work Time
+
+If students want to work in their groups on project work, breakout rooms will be available for groups to use.
+
+A TA will be available in the main room to answer any assignment or project questions.
diff --git a/notes/part06/lab06A.md b/notes/part06/lab06A.md
new file mode 100644
index 0000000..bd78e81
--- /dev/null
+++ b/notes/part06/lab06A.md
@@ -0,0 +1,7 @@
+# Lab 6A
+
+## Free Work Time
+
+If students want to work in their groups on project work, breakout rooms will be available for groups to use.
+
+A TA will be available in the main room to answer any assignment or project questions.