Episodes of the Memory Palace air verrry occasionally on NPR’s Weekend Edition. They’ve aired on numerous public radio programs and stations around the country as well as Canada and Australia. If you run a radio station and would like to license an episode for some reasonable fee or a t-shirt or whatever, write me at email@example.com. Older episodes are available through PRX.org
(Also, if you’d like to here them more frequently on NPR’s Weekend Edition, drop them a line and let them know. Please be polite though. It’s NPR. Speak in soft tones).