Gemma Arterton stars as MI6 officer Kate Henderson in Secret Service, a tense and ambitious espionage thriller airing at 9pm on ITV1. Henderson, who heads the Russia desk, becomes disturbed by evidence suggesting a mole within the government. As she digs deeper, it becomes clear she may not know the full extent of the conspiracy. Twists galore ensue as her job and family life become dangerously intertwined. Phil Harrison
Great Japanese Railway Journeys
At 6.30pm on BBC Two, Michael Portillo boards a Shinkansen bullet train to Tokyo, the “mega metropolis.” He meets Minoru Mukaiya, composer of 300 catchy train station jingles, and ascends the 630-metre-high Tokyo Skytree, an earthquake-proof tower. Portillo remarks, “This technology just leaves me breathless.” Ali Catterall
Mint
At 9pm on BBC One, Charlotte Regan’s Mint offers a Romeo and Juliet remix set amid warring crime families in Scotland. The series is earthy, formally inventive, and deeply heartfelt. In this double bill, everyone dons sharp suits and elaborate hats for a fractious day at the races, before star-crossed lovers Shannon and Arran peel off at a gallop. Graeme Virtue
Virgin Island
At 9pm on Channel 4, Virgin Island returns for a second season. The reality show blurs the line between exploitative TV and groundbreaking therapy, as young adults undress and undergo “therapies” involving sexual stimulation on camera. It’s not for the easily shocked. Alexi Duggins
Euphoria
At 9pm on Sky Atlantic, Euphoria brings drama to Cassie and Nate’s wedding. The event reunites the gang for a set-piece occasion filled with backstabbing, gossip, and appalling behaviour as family and friends collide. PH
Rooster
At 10pm on Sky One, Rooster has been renewed for a second season. Flailing author Greg still must navigate the rest of the semester as writer-in-residence. His lecturer daughter, Katie, remains in an emotional funk, while student Tommy wants to drop out. GV
