diff --git a/demo.tex b/demo.tex
index 1cd4e56..dad35cc 100644
--- a/demo.tex
+++ b/demo.tex
@@ -18,6 +18,14 @@
 
 \maketitle
 
+\begin{frame}
+  \frametitle{Table of Contents}
+  \setbeamertemplate{section in toc}[sections numbered]
+  \tableofcontents[hideallsubsections]
+\end{frame}
+
+\section{Introduction}
+
 \begin{frame}[fragile]
   \frametitle{mtheme}