diff --git a/dev_tools/notebooks/isolated_notebook_test.py b/dev_tools/notebooks/isolated_notebook_test.py
index ad01d67fcd2..229533e0fd4 100644
--- a/dev_tools/notebooks/isolated_notebook_test.py
+++ b/dev_tools/notebooks/isolated_notebook_test.py
@@ -228,6 +228,9 @@ def test_all_notebooks_against_released_cirq(partition, notebook_path, cloned_en
     See `test_changed_notebooks_against_released_cirq` for more details on
     notebooks execution.
     """
+    # TODO(#6037,pavoljuhas) - remove after confirming we get error reports from the CI
+    if notebook_path.endswith('/circuits.ipynb'):
+        assert False, 'intentional failure to simulate CI-weekly run with failed test'
     _rewrite_and_run_notebook(notebook_path, cloned_env)