 The "clay pot as recording media" myth that Kari, Tory and Grant  investigated in the "Pottery Record" segment was previously used as  a plot device in  _"X Files, The" (1993) {Hollywood A.D. (#7.19)}_ (qv) and  _"CSI: Crime Scene Investigation" (2000) {Committed (#5.21)}_ (qv).  The MythBusters determined that it was so unlikely as to be  impossible.