diff --git a/examples/foundational/22b-natural-conversation-proposal.py b/examples/foundational/22b-natural-conversation-proposal.py
index 290f6624c..a520d17be 100644
--- a/examples/foundational/22b-natural-conversation-proposal.py
+++ b/examples/foundational/22b-natural-conversation-proposal.py
@@ -237,6 +237,9 @@ class TurnDetectionLLM(Pipeline):
                 or isinstance(frame, FunctionCallResultFrame)
             )
 
+        async def filter_all(frame):
+            return False
+
         super().__init__(
             [
                 ParallelPipeline(
@@ -247,6 +250,7 @@ class TurnDetectionLLM(Pipeline):
                         statement_judge_context_filter,
                         statement_llm,
                         completeness_check,
+                        FunctionFilter(filter=filter_all, direction=FrameDirection.UPSTREAM),
                     ],
                     [
                         # Block everything except frames that trigger LLM inference.
diff --git a/examples/foundational/22c-natural-conversation-mixed-llms.py b/examples/foundational/22c-natural-conversation-mixed-llms.py
index 83c153f80..80811c2e7 100644
--- a/examples/foundational/22c-natural-conversation-mixed-llms.py
+++ b/examples/foundational/22c-natural-conversation-mixed-llms.py
@@ -431,6 +431,9 @@ class TurnDetectionLLM(Pipeline):
                 or isinstance(frame, FunctionCallResultFrame)
             )
 
+        async def filter_all(frame):
+            return False
+
         super().__init__(
             [
                 ParallelPipeline(
@@ -446,6 +449,7 @@ class TurnDetectionLLM(Pipeline):
                         statement_judge_context_filter,
                         statement_llm,
                         completeness_check,
+                        FunctionFilter(filter=filter_all, direction=FrameDirection.UPSTREAM),
                     ],
                     [
                         # Block everything except frames that trigger LLM inference.