Extinct! Episode guide
3/3 Adam Rutherford looks at the extinction of humans in the distant past. Last in series.
First broadcast: 29 May 2012
2/3 Are humans causing the sixth great mass extinction event in Earth's history?
First broadcast: 22 May 2012
1/3 Adam Rutherford asks why almost all of life became extinct 250 million years ago.
First broadcast: 15 May 2012