2 - 1Étude in Black Sep. 17, 1972
2 - 2The Greenhouse Jungle Oct. 15, 1972
2 - 3The Most Crucial Game Nov. 05, 1972
2 - 4Dagger of the Mind Nov. 26, 1972
2 - 5Requiem for a Falling Star Jan. 21, 1973
2 - 6A Stitch in Crime Feb. 11, 1973
2 - 7The Most Dangerous Match Mar. 04, 1973
2 - 8Double Shock Mar. 25, 1973