Leaving Stromness, our round Britain duo gear up to round the notorious Cape Wrath, but what's this? Can you name the unidentified sea creature?
In the latest instalment, our circumnavigating duo set off from Stromness towards the notorious Cape Wrath via the Isle of Hoy.
On arrival at mainland Scotland’s most northwesterly point, they are in for a bit of a surprise, and when they round the headland to Kinlochbervie they are greeted by an unidentified sea creature – can you tell what it is?
Watch the video below or click here to watch all the previous videos.