NOW BOARDING!!
The first part of the finale is airing in five minutes. ETA: Part 2 will be airing at the same time tomorrow (6:30PM aka 18:30, British Time. Time Zone Converter here). To listen live from anywhere in the world with internet access, go to the BBC4 site
http://www.bbc.co.uk/radio/player/bbc_radio_four
If you can't listen live, don't worry, the episodes will be available afterward internationally through the iPlayer site for about a week. (Watch out for spoilery stuff if you scroll around that page)
http://www.bbc.co.uk/programmes/b00lmcxj
ETA: PART ONE iPLAYER REPLAY DIRECT LINK:
http://www.bbc.co.uk/programmes/b04vf25d
http://www.bbc.co.uk/radio/player/bbc_radio_four
If you can't listen live, don't worry, the episodes will be available afterward internationally through the iPlayer site for about a week. (Watch out for spoilery stuff if you scroll around that page)
http://www.bbc.co.uk/programmes/b00lmcxj
ETA: PART ONE iPLAYER REPLAY DIRECT LINK:
http://www.bbc.co.uk/programmes/b04vf25d