<page_title> List of Lost episodes </page_title> <section_title> Series overview </section_title> <table> <cell> 1 <col_header> Season </col_header> <col_header> Last aired </col_header> </cell> <cell> 15.69 <col_header> Nielsen ratings </col_header> </cell> </table>
The first season averaged 15.69 million viewers per episode.