2/4. How, from Galileo to Darwin, has light changed our understanding of the universe? BBCi: explore light through the night sky by pressing the red button on the handset
International news.
Followed by Weather
And now for something completely different.
Decapitation, Disney slasher films and a sticky bun litter an appearance on University Challenge. Music from Motorhead.
Spoof documentary from the 1979 series looking at the glitzy life of Dame Edna Everage.
First shown on BBC2
Days That Shook the World: two terrorist outrages that left their mark on America: signed (AD)