The first <a href="https://en.wikipedia.org/wiki/Westerns_on_television" id="mwAR8" rel="mw:WikiLink" title="Westerns on television">television western</a>, <i id="mwASA"><a href="https://en.wikipedia.org/wiki/Hopalong_Cassidy" id="mwASE" rel="mw:WikiLink" title="Hopalong Cassidy">Hopalong Cassidy</a></i>, starring <a href="https://en.wikipedia.org/wiki/William_Boyd_(actor)" id="mwASI" rel="mw:WikiLink" title="William Boyd (actor)">William Boyd</a>, is aired on <a href="https://en.wikipedia.org/wiki/NBC" id="mwASM" rel="mw:WikiLink" title="NBC">NBC</a>.