Another episode of Speed with Guy MartinNovember 7, 2014 / Channel4, Gear, Guy's TV Show, Speed with Guy MartinGuy takes to the water, trying to set the top speed on a hovercraft this week… 8pm Sunday 9th November Channel 4. Speed with Guy Martin. Get the Channel 4 listing here Guy takes to the water, trying to set the top speed on a hovercraft this week… 8pm Sunday 9th November Channel 4. Speed with Guy Martin. Get the Channel 4 listing here