diff --git a/spec/config/series_checker_spec.rb b/spec/config/series_checker_spec.rb
new file mode 100644
index 0000000..ba90e36
--- /dev/null
+++ b/spec/config/series_checker_spec.rb
@@ -0,0 +1,19 @@
+describe "config/series.yml" do # rubocop:disable RSpec/DescribeClass
+  series = YAML.load_file("#{spec_dir}/../config/series.yml")
+
+  series.values.uniq {|attributes| attributes["series_name"] }.each do |attributes|
+    context attributes["title"] do
+      describe "started_date" do
+        subject { attributes["started_date"] }
+
+        it { should be_sunday }
+      end
+
+      describe "ended_date", if: attributes["ended_date"] do
+        subject { attributes["ended_date"] }
+
+        it { should be_sunday }
+      end
+    end
+  end
+end