table of contents - How should I work with beamer, TOC and parts? - TeX - LaTeX Stack Exchange
\documentclass{beamer}
\title{Title}
\subtitle{Subtitle}
\author{Author Of Presentation}
\newcommand{\makepart}[1]{ % For convenience
\part{Title of part #1} \frame{\partpage}
\section{Section} \begin{frame} Section \end{frame}
\subsection{Subsection} \begin{frame} Subsection \end{frame}
\subsection{Subsection} \begin{frame} Subsection \end{frame}
\section{Section} \begin{frame} Section \end{frame}
}
\begin{document}
\begin{frame}
\titlepage
\end{frame}
\begin{frame}
Part I:
\tableofcontents[part=1]
Part II:
\tableofcontents[part=2]
\end{frame}
\makepart{1}
\makepart{2}