The Edge of Destruction
... that the TARDIS's Fast Return Switch featured in the Doctor Who serial The Edge of Destruction appeared to have a label written in felt-tip pen?
... that the <a href="./TARDIS" id="mwAcA" rel="mw:WikiLink" title="TARDIS">TARDIS</a>'s Fast Return Switch featured in the <i id="mwAcE"><a href="./Doctor_Who" id="mwAcI" rel="mw:WikiLink" title="Doctor Who">Doctor Who</a></i> serial <i id="mwAcM"><b id="mwAcQ"><a href="./The_Edge_of_Destruction" id="mwAcU" rel="mw:WikiLink" title="The Edge of Destruction">The Edge of Destruction</a></b></i> appeared to have a label written in felt-tip pen?