9-1-1/9-1-1: LONE STAR

9PM/10PM, SKY WITNESS ★★★★ Two US emergency dramas that specialise in extremes return. In 9-1-1, it’s the disasters that are extreme – the new season kicks off with seismic activity. In 9-1-1: Lone Star, it’s the star power of Rob Lowe as Texas firefighter Owen, who meets new medic Tommy (Suits’ Gina Torres, left) tonight.