Available on BBC iPlayer
Britain's Best Drives North Cornish Coast
3/6 Richard Wilson drives a retro VW camper van along the coast from St Ives to Land's End.
50s Britannia Trad Jazz Britannia
2/2 Documentary looking at Britain's post-war infatuation with old New Orleans jazz.
Arena Sonny Rollins '74: Rescued!
Newly-discovered film footage of tenor sax legend Sonny Rollins at Ronnie Scott's in 1974.
The Somme: Secret Tunnel Wars
Archaeologists examine a labyrinth built by British troops beneath the Somme battlefield.
Swarm: Nature's Incredible Invasions One Million Heads, One Beautiful Mind
2/2 Millions of bats form a living tornado in which complex information is exchanged.