Six Brits sent to war-torn countries prove that travel doesn’t always broaden the mind; Luca Marinelli’s strutting Il Duce has a familiar ring. Plus, a Jane Austen drama with one thing missing…

Go Back to Where You Came From (Channel 4) | channel4.com
Mussolini: Son of the Century (Sky Atlantic/Now)
Miss Austen (BBC One) | iPlayer

Back in the mid-20th-century heyday of behavioural psychology, inventive professors were forever devising new experiments to study volunteers in extreme but revealing roleplay – as torturers, prisoners or prison guards. That’s all gone out of academic fashion, but there is one laboratory where a version of it still thrives: Channel 4.