The Sentinels9.50pm, BBC FourThis French counterfactual thriller about lab-grown super-soldiers in the first world war has sustained itself convincingly; as the final two episodes drop, the political intrigue and action sequences dovetail perfectly. The mission to free Mazauric is in jeopardy – which is worrying as it’s clear that everything depends upon it. Phil HarrisonSussex: Jewel of the South Coast7pm, Channel 5Exactly why this show opts for a title that risks alienating viewers from every other county on the south coast is hard to fathom. This instalment of the continuing profile takes in a lifeguard, a Chichester cleric working to...