Marcella is on ITV at 9pm.

Last episode of the crime thriller. Acting on information gleaned from Eric and Joel, the detective rushes to the killer’s house, which triggers another blackout.

Springtime on the Farm is on Channel 5 at 8pm.

This daily documentary follows Adam Henson and Lindsey Chapman as they celebrate the work of farmers around the country, from their base at Cannon Hall Farm in South Yorkshire. Continues all week.

Secret Agent Selection is on BBC Two at 9pm.

Documentary series in which people attempt to complete the wartime training programme of the Special Operations Executive.

Plebs is on ITV2 at 10pm.

Return of the comedy set in ancient Rome. Marcus and Grumio are thrown into turmoil by the sudden departure of Stylax.

Lisbon: An Art Lovers’ Guide is on BBC Four at 9pm.

Janina Ramirez, and Alastair Sooke, embark on three cultural city breaks, beginning in the Portuguese capital of Lisbon.