The Romans
... that The Romans was the first Doctor Who serial with a humorous tone?
... that <i id="mwBBc"><b id="mwBBg"><a href="./The_Romans_(Doctor_Who)" id="mwBBk" rel="mw:WikiLink" title="The Romans (Doctor Who)">The Romans</a></b></i> was the first <i id="mwBBo"><a href="./Doctor_Who" id="mwBBs" rel="mw:WikiLink" title="Doctor Who">Doctor Who</a></i> serial with a humorous tone?