60. The Medarra Block
In Marrakesh, Kelly and Scotty acquire an ancient cube bearing inscriptions that contain the secret plans for a revolt against the government.
French title: La boite mystérieuse
Norman Fell (Karin), Jack Kruschen (Isaac), Arthur Batanides (Hamid), Joe Bernard (Mr. Goldstein), David Bond (Reynaldo), Lou Goss (Father Bernard), Ed Hashim (Sharp), Joe Perry (Glinka), Ken Tobey (Conway)
2 October 1967
Currently available on DVD