<page_title> Alcatraz (TV series) </page_title> <section_title> Episodes </section_title> <table> <cell> 1 <col_header> No. </col_header> </cell> <cell> 10.05 <col_header> U.S. viewers (million) </col_header> <row_header> 1 </row_header> </cell> <cell> 13 <col_header> No. </col_header> <col_header> 1 </col_header> <col_header> 2 </col_header> <col_header> 3 </col_header> <col_header> 4 </col_header> <col_header> 5 </col_header> <col_header> 6 </col_header> <col_header> 7 </col_header> <col_header> 8 </col_header> <col_header> 9 </col_header> <col_header> 10 </col_header> <col_header> 11 </col_header> <col_header> 12 </col_header> </cell> <cell> 4.75 <col_header> U.S. viewers (million) </col_header> <row_header> 13 </row_header> </cell> </table>
The Alcatraz series opened with over 10 million U.S. viewers, but for the season finale, it had decreased to 4.75 million U.S viewers, the series' lowest viewership.