l Inspector George Gently, BBC Entertainment, 20.05

Two-part crime drama about old-school Detective Chief Inspector George Gently (Martin Shaw), whose investigations reveal the dark underbelly of a society on the cusp of change. Part one sees him investigate the suspicious death of his friend, China. The coroner tells him China died after falling in a derelict building. However, the sly Gently has another take on events.

l Top Gear USA, BBC Knowledge, 21.05

Hosted by comedian Adam Ferrara, champion rally and drift racer Tanner Foust and racing analyst Rutledge Wood, Top Gear USA tackles some extreme challenges, including a moonshine run along a classic Prohibition route in the Deep South, racing a Halo jumper in a Hennessey Velociraptor across the Arizona desert and evading a Cobra helicopter gunship in a Dodge Viper… through the middle of a town.

l Crash Course, Discovery Channel, 21.25

V8 supercar legend and host Greg Murphy puts his driving skills on the line with real-time tests that reveal what happens when you and your car go out of control. From how to escape a sinking car to how much damage speeding really causes, Murphy shares his knowledge to help drivers stay safe on the roads. Indy Car champion Scott Dixon gives tips on how to get out of a skid and how to stay on the road in a tight turn.

l Real Housewives of New Jersey, Vuzu, 20.30

The housewives reunite in the second part of the super-sized season two reunion.