4 - 1A Killing Will Occur Sep. 17, 1970
4 - 2No Game for Amateurs Sep. 24, 1970
4 - 3The Happy Dreams of Hollow Men Oct. 01, 1970
4 - 4The People Against Judge McIntire Oct. 08, 1970
4 - 5Noel's Gonna Fly Oct. 15, 1970
4 - 6The Lonely Way to Go Oct. 22, 1970
4 - 7Check, Mate: and Murder (1) Oct. 29, 1970
4 - 8Check, Mate: and Murder (2) Nov. 05, 1970
4 - 9Too Many Victims Nov. 12, 1970
4 - 10The Man on the Inside Nov. 19, 1970
4 - 11Backfire Dec. 03, 1970
4 - 12The Laying on of Hands Dec. 10, 1970
4 - 13This Could Blow Your Mind Dec. 17, 1970
4 - 14Blackout Dec. 31, 1970
4 - 15The Quincunx Jan. 07, 1971
4 - 16From Hrûska, with Love Jan. 21, 1971
4 - 17The Target Jan. 28, 1971
4 - 18A Killing at the Track Feb. 04, 1971
4 - 19Escape Feb. 11, 1971
4 - 20Love, Peace, Brotherhood, and Murder Feb. 18, 1971
4 - 21The Riddle in Room Six Feb. 25, 1971
4 - 22The Summer Soldier Mar. 04, 1971
4 - 23Accident Mar. 11, 1971
4 - 24Lesson in Terror Mar. 18, 1971
4 - 25Grandmother's House Apr. 01, 1971
4 - 26Walls Are Waiting Apr. 15, 1971