We discuss and play "A Detective Story" (6'40'' - 20'40''), touching on Sir Gawain, Sherlock Holmes, memory palaces, and other ways to remember things.
"A Detective Story" blogpost has more information and relevant links.
"Sir Gawain & the Green Knight" at The Toast by Mallory Ortberg, @Mallelis (I mixed up her name, sorry!)
The opening quotation in the video is from "A Scandal in Bohemia"
The text of "Sir Gawain and the Green Knight"