Friday 8pm, Channel 4 Taskmaster has come a long way since it was a cult hit on Dave, spawning international versions, a Taskmaster live experience , and now this junior edition of the comedy game show. Featuring contestants aged between nine and 11, this seems like a canny move, given the adult show’s youthfully skewed viewing demographic. With former contestants Rose Matafeo as the Taskmaster and Mike Wozniak in the Alex Horne role, the first quintet are suitably extrovert – the first prize task is to bring in “the most impressive circular thing”.

You hope that nine-year-old Anita’s mum gave her permission to bring in her wedding ring. 7.30pm, BBC One Ever since he was young, growing up in the Scottish town of Stonehaven, Liam Byrne has dreamt of flying like a bird.

Now, aged 23, he is already one of the youngest top-tier base jumpers in the world and is the British champion in performance wingsuit flying. As the latest in this idiosyncratic documentary slot makes clear, however, the margin for error on each jump is razor thin – and the stakes couldn’t be higher. 8pm, BBC Two Monty Don and co-presenters are heading off for the winter.

Before that, however, he plants a hawthorn hedge in the orchard, prunes a climbing rose and starts to plant tulips for next spring. 8pm, Channel 5 The comedian hits the road to discover the delights of Cheshire and its surrounding countryside – boating over an aqueduct, exploring the biggest Roman amphitheatre in Britain and se.