BBC Four Best of 2021

The French Republic is in turmoil as rumours spread about Dreyfus's release from exile.

Richard E. Grant travels in the footsteps of great writers inspired by southern Italy.

Helén Nilsson disappears at Easter 1989.

Hemingway enjoys an idyllic childhood. Then, he volunteers for the Red Cross during WWI.

A Danish criminal profiler looks into a cold case of multiple murders from years ago.

Mark Kermode shows how making fools of ourselves can make for seriously good cinema.

Twelve years after the tragic death of his grandson, Risto receives a mysterious letter.

A rap song challenges the Church and changes ideals about religion and rap music.

A forest’s small community is mysteriously linked with the survivors of the Mars mission.

Three parents talk about what it is like to have a child who shot their fellow classmates.

Mikael Blomkvist is engaged to investigate the cold case of a girl's disappearance.

The search for a new name in British photography begins on a blustery Brighton seafront.

Martin Beck and the team investigate a drugs gang after the death of a young man.

An unorthodox district attorney adopts a new approach to criminal justice in Philadelphia.

The story of celebrity favourite and globally trending megachurch Hillsong.

Look into the distance with Bob Ross and experience the peace of a stoic mountain.