For one it's a return to an old favourite. For another, it's beginning a dense fantasy series at book 5 with very little context. The fellas leap into Murtagh the follow up to Eragon and the Inheritance Cycle, which Duncan has never read. Episode highlights are Duncan demanding to know what an Urgal is, an enthusiastic discussion of the book's magic system, and Geordie fulfilling his dream of becoming a game show host.