diff --git a/lib/component.js b/lib/component.js
index 62c8b550..1ccd1540 100644
--- a/lib/component.js
+++ b/lib/component.js
@@ -27,7 +27,11 @@ define(
 
       componentInfo && Object.keys(componentInfo.instances).forEach(function(k) {
         var info = componentInfo.instances[k];
-        info.instance.teardown();
+        // It's possible that a previous teardown caused another component to teardown,
+        // so we can't assume that the instances object is as it was.
+        if (info && info.instance) {
+          info.instance.teardown();
+        }
       });
     }
 
diff --git a/test/spec/constructor_spec.js b/test/spec/constructor_spec.js
index 1295edc5..28de4959 100644
--- a/test/spec/constructor_spec.js
+++ b/test/spec/constructor_spec.js
@@ -108,5 +108,34 @@ define(['lib/component'], function (defineComponent) {
       }).toThrow('utils.push attempted to overwrite "core" while running in protected mode');
     });
 
+    describe('teardownAll', function () {
+
+      it('should teardown all instances', function () {
+        var TestComponent = defineComponent(testComponent);
+        var instance1 = (new TestComponent).initialize(document.body)
+        var instance2 = (new TestComponent).initialize(document.body);
+        spyOn(instance1, 'teardown').andCallThrough();
+        spyOn(instance2, 'teardown').andCallThrough();
+        TestComponent.teardownAll();
+        expect(instance1.teardown).toHaveBeenCalled();
+        expect(instance2.teardown).toHaveBeenCalled();
+      });
+
+      it('should support teardowns that cause other teardowns', function () {
+        var TestComponent = defineComponent(testComponent);
+        var instance1 = (new TestComponent).initialize(document.body)
+        var instance2 = (new TestComponent).initialize(document.body);
+        var original = instance1.teardown;
+        instance1.teardown = function () {
+          instance2.teardown();
+          original.call(this);
+        }.bind(instance1);
+        expect(function () {
+          TestComponent.teardownAll();
+        }).not.toThrow();
+      });
+
+    });
+
   });
 });