diff --git a/doc/source/whatsnew/v0.19.0.txt b/doc/source/whatsnew/v0.19.0.txt
index 8b8ab505c9d44..3d6be758ba136 100644
--- a/doc/source/whatsnew/v0.19.0.txt
+++ b/doc/source/whatsnew/v0.19.0.txt
@@ -865,3 +865,4 @@ Bug Fixes
 - Bug in ``.to_excel()`` when DataFrame contains a MultiIndex which contains a label with a NaN value (:issue:`13511`)
 - Bug in ``pd.read_csv`` in Python 2.x with non-UTF8 encoded, multi-character separated data (:issue:`3404`)
 - Bug in ``Index`` raises ``KeyError`` displaying incorrect column when column is not in the df and columns contains duplicate values (:issue:`13822`)
+- Bug where empty ``Series`` were being regarded as ``DateOffsets`` when used in a ``TimeOp``, even if they had a ``dtype``  (:issue:`13844`)
diff --git a/pandas/core/ops.py b/pandas/core/ops.py
index 44e3be32c23df..81741b06dcea2 100644
--- a/pandas/core/ops.py
+++ b/pandas/core/ops.py
@@ -597,10 +597,9 @@ def _is_offset(self, arr_or_obj):
         """ check if obj or all elements of list-like is DateOffset """
         if isinstance(arr_or_obj, pd.DateOffset):
             return True
-        elif is_list_like(arr_or_obj):
+        elif is_list_like(arr_or_obj) and len(arr_or_obj):
             return all(isinstance(x, pd.DateOffset) for x in arr_or_obj)
-        else:
-            return False
+        return False
 
 
 def _arith_method_SERIES(op, name, str_rep, fill_zeros=None, default_axis=None,
diff --git a/pandas/tests/series/test_timeseries.py b/pandas/tests/series/test_timeseries.py
index 19acf54c7a3cb..3fa1fc8e02a2e 100644
--- a/pandas/tests/series/test_timeseries.py
+++ b/pandas/tests/series/test_timeseries.py
@@ -525,3 +525,12 @@ def test_timeseries_coercion(self):
             self.assertTrue(ser.is_time_series)
         self.assertTrue(ser.index.is_all_dates)
         self.assertIsInstance(ser.index, DatetimeIndex)
+
+    def test_empty_series_ops(self):
+        # see issue #13844
+        a = Series(dtype='M8[ns]')
+        b = Series(dtype='m8[ns]')
+        assert_series_equal(a, a + b)
+        assert_series_equal(a, a - b)
+        assert_series_equal(a, b + a)
+        self.assertRaises(TypeError, lambda x, y: x - y, b, a)