On January 30, 1979, Varig Flight 967 departed from Tokyo and shortly thereafter disappeared. What happened to it?Music by JuliusH "Mystery Bells - Ambient Chill Out Music" Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/10/06/s04e26-varig-cargo-flight-967/
Great Zimbabwe is the largest single prehistoric structure south of the Sahara. It can be found near the present-day town of Masvingo, Masvingo province, Zimbabwe. Who built it and why?Music by JuliusH "Mystery Bells - Ambient Chill Out Music" Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/06/23/s04e25-historical-mystery-great-zimbabwe-who-built-it-and-why/
Derinkuyu is an underground city in Türkiye. It has existed for thousands of years. Who built it and when? Music by JuliusH "Mystery Bells - Ambient Chill Out Music" Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/06/16/s04e24-mysterious-places-derinkuyu-who-built-it/
Nicholas Barclay was 13 years old when he disappeared on June 10, 1994. Later a boy claiming to be Nicholas was returned home to the family. What happened to Nicholas?Music by JuliusH "Mystery Bells - Ambient Chill Out Music" Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/06/09/s04e23-missing-person-nicholas-barclay-what-happened-to-him/
Jeanne Calment was born on February 21, 1875. She died at the age of 122 in 1997. Or did she? Music by JuliusH "Mystery Bells - Ambient Chill Out Music" Transcript and references available at https://thatsruddymysterious.wordpress.com/2026/06/02/s04e22-identification-mystery-jeanne-calment-did-she-really-live-to-122-years-old/