diff --git a/README.md b/README.md
index 73079ad..e985132 100644
--- a/README.md
+++ b/README.md
@@ -181,6 +181,8 @@ the API.  The fields are as follows:
   * `responses`: A list of the responses made.
   * `play_count`: The number of times this cassette has had a response played
     back
+  * `all_played`: A boolean indicates whether all the responses have been
+    played back
   * `responses_of(request)`: Access the responses that match a given request
 
 The `Request` object has the following properties:
diff --git a/tests/integration/test_record_mode.py b/tests/integration/test_record_mode.py
index c47baad..0e007b3 100644
--- a/tests/integration/test_record_mode.py
+++ b/tests/integration/test_record_mode.py
@@ -54,6 +54,9 @@ def test_new_episodes_record_mode(tmpdir):
         # make the same request again
         response = urlopen('http://httpbin.org/').read()
 
+        # all responses have been played
+        assert cass.all_played
+
         # in the "new_episodes" record mode, we can add more requests to
         # a cassette without repurcussions.
         response = urlopen('http://httpbin.org/get').read()
@@ -61,6 +64,9 @@ def test_new_episodes_record_mode(tmpdir):
         # one of the responses has been played
         assert cass.play_count == 1
 
+        # not all responses have been played
+        assert not cass.all_played
+
     with vcr.use_cassette(testfile, record_mode="new_episodes") as cass:
         # the cassette should now have 2 responses
         assert len(cass.responses) == 2
diff --git a/tests/unit/test_cassettes.py b/tests/unit/test_cassettes.py
index 4c4818f..b612072 100644
--- a/tests/unit/test_cassettes.py
+++ b/tests/unit/test_cassettes.py
@@ -58,10 +58,25 @@ def test_cassette_get_missing_response():
     with pytest.raises(UnhandledHTTPRequestError):
         a.responses_of('foo')
 
+
 @mock.patch('vcr.cassette.requests_match', _mock_requests_match)
 def test_cassette_cant_read_same_request_twice():
     a = Cassette('test')
-    a.append('foo','bar')
+    a.append('foo', 'bar')
     a.play_response('foo')
     with pytest.raises(UnhandledHTTPRequestError):
         a.play_response('foo')
+
+
+def test_cassette_not_all_played():
+    a = Cassette('test')
+    a.append('foo', 'bar')
+    assert not a.all_played
+
+
+@mock.patch('vcr.cassette.requests_match', _mock_requests_match)
+def test_cassette_all_played():
+    a = Cassette('test')
+    a.append('foo', 'bar')
+    a.play_response('foo')
+    assert a.all_played
diff --git a/vcr/cassette.py b/vcr/cassette.py
index aa9f5a9..c58a6bd 100644
--- a/vcr/cassette.py
+++ b/vcr/cassette.py
@@ -60,6 +60,13 @@ class Cassette(ContextDecorator):
     def play_count(self):
         return sum(self.play_counts.values())
 
+    @property
+    def all_played(self):
+        """
+        Returns True if all responses have been played, False otherwise.
+        """
+        return self.play_count == len(self)
+
     @property
     def requests(self):
         return [request for (request, response) in self.data]