an un-narrated, two-hour narrowboat journey
... that in May 2015 BBC Four aired "the most boring TV show ever"—an un-narrated, two-hour narrowboat journey on the Kennet and Avon Canal?
... that in May 2015 <a href="./BBC_Four" id="mwBe8" rel="mw:WikiLink" title="BBC Four">BBC Four</a> aired "the most boring TV show ever"—<b id="mwBfA"><a href="./BBC_Four_Goes_Slow" id="mwBfE" rel="mw:WikiLink" title="BBC Four Goes Slow">an un-narrated, two-hour narrowboat journey</a></b> on the <a href="./Kennet_and_Avon_Canal" id="mwBfI" rel="mw:WikiLink" title="Kennet and Avon Canal">Kennet and Avon Canal</a>?