<p>In the final episode of the series, Rachel speaks to someone with a unique perspective on what might have happened to Keith: the observer who worked on the Victoria 168 directly before him.</p><p>__</p><p>Credits</p><p>Reporter: Rachel Monroe Series Producer: Monica Whitlock Sound Design and Music: Jon Nicholls Assistant Commissioner: Natalie Mace</p><p>Executive Producer: Paul Smith. Commissioning Editor for BBC: Dylan Haskins.</p><p>Lost At Sea is a BBC Studios Factual Podcast Unit production for BBC Radio 5 Live and BBC Sounds.</p>