BBC Four

Undercover. A young man's murder leads Beck's investigation to a narcotics network

Do you have to destroy the system to get the change you want?

Carlos Ghosn: The Last Flight. The Nissan CEO who went from businessman to fugitive

The great American writer - and the charismatic and complicated man behind the myth

A chance to discover a new world - but someone, or something, has got there first

A musical journey led by British conductor Daniel Harding with works by Verdi and Holst

Danish detective Sarah Lund fights to unravel brutal murders. The original Scandi Noir.

ET and the BBC. An A-Z of UFOs and our continued fascination with who or what's out there

Raising a School Shooter. Parents facing up to brutal atrocies – by their own children

30 minutes of bliss as the art sensation illustrates perfect, peaceful painting.

The poignant story of the devoted husband and father who fell foul of brutal homophobia.

The classic docusoap that made Jane McDonald a star. Set sail with the crew of the Galaxy

Documentary charting the life of Eric Clapton told through his own words and songs.

Petite Fille. All Sasha wants is to be herself. But there are many battles to face

Famous names celebrate Wilde’s wonderful work and reflect on his tragic fall from grace.

A cold case is getting hot. Louise Bergstein's hunting a killer - and they're close.