<page_title> List of Doctor Who audio plays by Big Finish </page_title> <section_title> Series 5 (2010–11) </section_title> <table> <cell> "Echoes of Grey" <col_header> Title </col_header> <row_header> 2 </row_header> </cell> </table>
Echoes of Grey is a Big Finish Productions audiobook based on the series Doctor Who.