BBC News By Lizo Mzimba image copyrightNetflix/BBC image captionSex Education's third season will air on Netflix, while Kelly Macdonald joins Line of Duty Like so many aspects of everyday life, the coronavirus outbreak has had a significant and continuing impact on TV production during 2020. New safety protocols mean that high-end drama in particular can't be produced at the same rate as before. It's created an element of uncertainty over what will reach our TV screens in 2021, but that doesn't mean that the next 12 months won't see some popular and potentially superb programmes. (Transmission dates are given where known.) Doctor Who (BBC One)