Need a recommendation for what to watch this weekend? Look no further. Every Friday Steven Ross, digital trends writer for NationalWorld will take you through the best of TV and streaming in the coming days. This week he tells us about Kaleidoscope (Netflix now), Vikings: Valhalla, season 2 (Thursday 12 January, Netflix), Hunters, season 2 (Friday 13 January, Amazon Prime), Love Island (Monday, 16 January, ITV2), Know Your Shit, Inside Our Guts (Tuesday 17th January, Channel 4) and Serengeti series 3 (Sunday 15 Jan, BBC1).