- January 2, 1975:
- January 9, 1975:
- January 16, 1975:
- January 23, 1975:
- January 30, 1975: (Final appearance of Dr. Rosenwurm.)
- February 6, 1975:
- February 13, 1975:
- February 20, 1975 (repurposed for Garfield, with some dialogue changes.):
- March 6, 1975:
- March 13, 1975:
- March 20, 1975:
- March 27, 1975:
- April 3, 1975:
- April 10, 1975:
- April 17, 1975:
- April 24, 1975:
- May 1, 1975: (Starting with this strip, the Gnorm Gnat characters are redesigned, looking somewhat cruder.)
- May 8, 1975:
- May 22, 1975: (Final appearance of Freddy.)
- May 29, 1975:
- June 5, 1975:
- June 19, 1975:
- June 26, 1975:
- July 3, 1975:
- July 10, 1975:
- July 17, 1975:
- July 24, 1975:
- August 7, 1975:
- August 21, 1975:
- September 4, 1975:
- September 11, 1975:
- September 18, 1975:
- October 2, 1975:
- October 9, 1975:
- October 16, 1975:
- October 23, 1975:
- October 30, 1975:
- November 13, 1975:
- November 20, 1975:
- November 27, 1975:
- December 11, 1975:
- December 18, 1975: (The final appearance of Lyman.)
- December 25, 1975: (The final appearance of Gnorm Gnat and the final Gnorm Gnat strip.)