Next Thursday on BBC episode 3. The first episode visited the volcano that erupted in 2015:
http://www.bbc.co.uk/iplayer/episode/b08kzdjl/galapagos-series-1-1-cauldron-of-life
Mike
http://www.bbc.co.uk/iplayer/episode/b08kzdjl/galapagos-series-1-1-cauldron-of-life
Mike