The sixth season of Newhart aired on CBS from September 14, 1987 to May 9, 1988.
6 - 1Here's to You Mrs. Loudon Sep. 14, 1987- 6 - 2Prima Darryl Sep. 21, 1987
- 6 - 3Inn This Corner Sep. 28, 1987
- 6 - 4Me and My Gayle Oct. 05, 1987
- 6 - 5Reading, Writing, and Rating Points Oct. 12, 1987
- 6 - 6Vintage Stephanie Oct. 19, 1987
- 6 - 7Take Me to Your Loudon Oct. 26, 1987
- 6 - 8Till Depth Do Us Part (1) Nov. 09, 1987
- 6 - 9Till Depth Do Us Part (2) Nov. 16, 1987
- 6 - 10Telethon Man Nov. 23, 1987
- 6 - 11Laugh at My Wife Please Dec. 07, 1987
- 6 - 12Support Your Local Shifflet Dec. 14, 1987
- 6 - 13My Three Dads Jan. 04, 1988
- 6 - 14A Friendship That Will Last a Lunchtime Jan. 11, 1988
- 6 - 15Presence of Malice Jan. 18, 1988
- 6 - 16Would You Buy a Used Car From This Handyman? Feb. 01, 1988
- 6 - 17The Buck Stops Here Feb. 08, 1988
- 6 - 18Attention WPIV Shoppers Feb. 15, 1988
6 - 19The Big Uneasy Feb. 22, 1988- 6 - 20Draw Partner Mar. 07, 1988
- 6 - 21A Midseason's Night Dream Mar. 14, 1988
- 6 - 22Newsstruck Mar. 21, 1988
- 6 - 23The Gleeless Club May. 02, 1988
- 6 - 24Courtin' Disaster May. 09, 1988