On BBC 4 Now

Unofficial BBC Four programme updates (see @onthebbc for more channels). Supported by

[On BBC 4 Now @onbbc4now]

00:00 Metalworks!: Dan Cruickshank looks at silver artefacts in country houses, museums and factories. https://t.co/lakJlLFi5l

[On BBC 4 Now @onbbc4now]

23:00 Horizon: How a new generation of supertelescopes are helping astronomers explore the universe. https://t.co/0tQfVqaNHF

[On BBC 4 Now @onbbc4now]

19:30 Orangutan Diary: Michaela and Steve help three orangutan babies learn how to behave like wild animals. https://t.co/Xd4NpzMKXX

[On BBC 4 Now @onbbc4now]

19:00 100 Days: As President Trump takes office, BBC News teams report on the events shaping our world. https://t.co/slVoQw2DVj

[On BBC 4 Now @onbbc4now]

00:00 Natural World: David Johnson records a huge habitat recreation project in the marshlands of Iraq. https://t.co/lgFwYUb49o

[On BBC 4 Now @onbbc4now]

22:00 Metamorphosis: The Science of Change: An investigation into the transformation of one creature into a totally… https://t.co/IeoHubplUz

[On BBC 4 Now @onbbc4now]

19:30 Orangutan Diary: Steve rescues a tiny orangutan and Michaela visits a forest school. https://t.co/PwnnElcWOb

[On BBC 4 Now @onbbc4now]

19:00 100 Days: As President Trump takes office, BBC News teams report on the events shaping our world. https://t.co/0dPBdHj6HW

[On BBC 4 Now @onbbc4now]

22:00 Genius of the Modern World: Bettany Hughes investigates the revolutionary ideas of Karl Marx. https://t.co/d237xGcVte

[On BBC 4 Now @onbbc4now]

20:00 Timeshift: Timeshift revisits Britain's railways during the era of nationalisation. https://t.co/i2WzGRWbVq

[On BBC 4 Now @onbbc4now]

19:00 100 Days: As President Trump takes office, BBC News teams report on the events shaping our world. https://t.co/7haaTUKEF2

[On BBC 4 Now @onbbc4now]

02:20 Storyville: Documentary looking at how 11 climbers were killed during a descent of K2 in August 2008. https://t.co/mkFC5d8iY1

[On BBC 4 Now @onbbc4now]

01:25 The Moon: A look at how our love affair with the moon has waxed and waned since we landed there. https://t.co/YfyrzonSbp

[On BBC 4 Now @onbbc4now]

00:20 The Sun: A portrait of our closest star, with its dark and violent side of storms and explosions. https://t.co/j2oUTGagdR

[On BBC 4 Now @onbbc4now]

23:00 Storyville: Documentary looking at how 11 climbers were killed during a descent of K2 in August 2008. https://t.co/mkFC5d8iY1

[On BBC 4 Now @onbbc4now]

22:00 The Sky at Night: A look at how our knowledge of the universe has been transformed in the last six decades. https://t.co/VBi3imdAup

[On BBC 4 Now @onbbc4now]

21:00 Horizon: How a new generation of supertelescopes are helping astronomers explore the universe. https://t.co/0tQfVqaNHF

[On BBC 4 Now @onbbc4now]

20:00 The Moon: A look at how our love affair with the moon has waxed and waned since we landed there. https://t.co/YfyrzonSbp

[On BBC 4 Now @onbbc4now]

19:00 The Sun: A portrait of our closest star, with its dark and violent side of storms and explosions. https://t.co/j2oUTGagdR

[On BBC 4 Now @onbbc4now]

02:55 Duets at the BBC: With Robbie and Kylie, Dolly Parton and Kenny Rogers, Sonny and Cher and Peaches and Herb. https://t.co/a81jdcaavE