<page_title> List of The Simpsons episodes </page_title> <section_title> Key </section_title> <table> <cell> 1 <col_header> Season </col_header> <col_header> Last aired </col_header> </cell> <cell> 13.4m households <col_header> Nielsen ratings </col_header> </cell> </table>
Season one had 13.4 million viewing households.