- No. 26 January 8, 1972
- No. 27 January 15, 1972
- No. 28 January 22, 1972
- No. 29 January 29, 1972
- No. 30 February 5, 1972
- No. 31 February 12, 1972
- No. 32 February 19, 1972
- No. 33 February 26, 1972
- No. 34 March 4, 1972
- No. 35 March 11, 1972
- No. 36 March 18, 1972
- No. 37 March 25, 1972
- No. 38 April 1, 1972
- No. 39 April 8, 1972
- No. 40 April 15, 1972
- No. 41 April 22, 1972
- No. 42 April 29, 1972
- No. 43 May 6, 1972
- No. 45 May 20, 1972
- No. 46 May 26, 1972
- No. 47 June 3, 1972
- No. 48 June 10, 1972
- No. 50 June 24, 1972
- No. 51 July 1, 1972 — Martha Mitchell on the Brain
- No. 52 July 8, 1972
- No. 53 July 15, 1972
- No. 54 July 22, 1972
- No. 55 July 29, 1972
- No. 57 August 12, 1972
- No. 59 August 26, 1972
- No. 73 September 2, 1972
- No. 74 September 9, 1972
- No. 75 September 16, 1972
- No. 76 September 23, 1972
- No. 77 November 4, 1972
- No. 78 November 11, 1972
- No. 79 November 18, 1972