Go ahead and practice that British accent as you take in Entertainment Weekly’s list of the 23 best shows streaming on BritBox. Where to watch Blackadder: BritBox Cast: Rowan Atkinson, Tony Robinson, Hugh Laurie, Tim McInnerny, Miranda Richardson05 of 23 Blue Lights (2023–present) Martin McCann as Stevie Neil on 'Blue Lights'. Where to watch Blue Lights: BritBox Cast: Siân Brooke, Katherine Devlin, Nathan Braniff, Richard Dormer06 of 23 Chewing Gum (2015–2017) Michaela Coel as Tracey on 'Chewing Gum'. Where to watch Chewing Gum: BritBox Cast: Michaela Coel, Robert Lonsdale07 of 23 Doctor Who classic era (1963–1989) Tom Baker as the Doctor on 'Doctor Who'. Where to watch Sherlock: BritBox Cast: Benedict Cumberbatch, Martin Freeman, Andrew Scott