Critics’ choice

Vera

(STV, 8pm-10pm)

The dead body of a teenage boy is found in a reservoir near a remote rural timber community. Vera and her team investigate, and discover that the boy had already been missing for three days prior to his death. However, the case is complicated by an apparent

Call the Midwife (BBC1, 8pm-9pm)

Valerie’s friend Marjory goes into labour while Lucille is on duty, and the new recruit successfully delivers the baby. However, when Marjory’s health takes a turn for the worst, her racist mother accuses Lucille of incompetence. The nurses rally round to protect their new colleague.

The Coffee Trail with Simon Reeve (BBC4, 8pm-9pm)

In the second of two This World documentaries examining the stories behind the nation’s favourite beverages, adventurer and broadcaster Simon Reeve looks at the production of coffee. He heads to Vietnam, which is the UK’S biggest supplier. thecouriermagazine conspiracy of silence, as many of the townsfolk refuse to cooperate with the police investigation. A complex web of relationships between the victim’s friends and family slowly emerges, with many dark secrets that could have driven someone to kill. Last in the series. Brenda Blethyn, Kenny Doughty, Jon Morrison and Kingsley Ben-adir star.

Chris Packham: In Search of the Lost Girl (BBC2, 9pm-10pm)

The naturalist returns to Sumatra, where 20 years previously he photographed a member of a nomadic hunter gatherer tribe and was struck by how her people lived in perfect harmony with their environment. He tries to track her down despite having no clues to her identity.

The Hobbit: An Unexpected Journey (ITV2, 5.45pm-9pm)

Unassuming hobbit Bilbo Baggins is pulled out of his comfortable life when he joins a party of dwarves who are on a mission to reclaim their lost homeland, which has been taken over by a dragon. The first part of Peter Jackson’s fantasy adventure trilogy, starring Martin Freeman.