Our Planet | The Brexit Storm: Laura Kuenssberg’s Inside Story | Mimi On A Mission: Sex Ed | Plus Lord Hall on Line of Duty

TV critics Scott Bryan and Hayley Campbell join 5 live’s Nihal Arthanayake to talk about the week’s biggest new TV and streaming shows.They review a new documentary going behind the scenes of Brexit with the BBC’s political editor, Laura KuennsbergNetflix go up against the BBC with their major new nature documentary series Our Planet, with narration from Sir David Attenborough.YouTube star Mimi Missfit joins the crew to talk about her new show, looking at sex education for children.BBC Director General Lord Hall gives us his thoughts on the return of Line of Duty.And for reasons that still aren’t entirely clear Nihal attempts to describe a public health information film featuring a Spitting Image Bjork puppet and a worm called Johnny Condom.Want to have your say? Tell us on the Must Watch blog or email [email protected]