This is the BBC.

Hello, I'm Robinette.

And I'm Brian Cox.

It is the last episode of the series,

so we thought we'd return to our favourite subject

at the end of the world.

Are you ready for the next mass extinction?

I said, are you ready for the next mass extinction?

CHEERING

The neilist predominantly on the right there,

so we are going to examine the main culprit

for five out of six mass extinctions on the planet Earth,

as well as the reason that Brian was delayed

at the Shardagore Airport for 17 hours in 2010,

which he considers a greater tragedy

than those five mass extinctions

because they ran out of little brandy miniatures.

Today, we are discussing the science of volcanoes.

How have they influenced the history of our planet

from the origin of life to the great mass extinctions

and do they still pose a threat today?

We'll also be dealing with forensic vulcanology,

...