Gary Butterfield, Kole Ross, and Dennis Furia talk about the Duke's Archives and the Crystal Cave.
If you're playing along, we cover everything from the Stacks up through the final fight with Seath.
The next episode will cover the Demon Ruins and Lost Izalith.
Please Note: All spoiler warnings are off. Proceed at your own risk if you have not beaten the game.

Links of Note:

Demon's Souls 5-2
The Duke - Stevie Wonder
King Ralph
Anor Londo Desperado
Tree Man
Astrolabe
Thanks Obama Mod
The Holocaust Never Happened
Secret Castle
Kevin Trudeau
Snatcher
Dark Souls Young Turks
Alarm Cutscene
Gricks
Put the Candle Back
10 Things You Didn't Know About Dark Souls
Moonlight Greatsword King's Field
This American Life Cryogenics Episode