The eighth and final season of Newhart aired on CBS from September 18, 1989 to May 21, 1990.
8 - 1Don't Worry Be Pregnant Sep. 18, 1989- 8 - 2Get Dick Sep. 25, 1989
- 8 - 3Poetry and Pastries Oct. 02, 1989
- 8 - 4Utley Exposed Oct. 16, 1989
- 8 - 5Ramblin' Michael Harris Oct. 23, 1989
- 8 - 6Meet Michael Vanderkellen Nov. 13, 1989
- 8 - 7Good Lord Loudon Nov. 20, 1989
- 8 - 8Cupcake in a Cage Dec. 04, 1989
- 8 - 9Attack of the Killer Aunt Dec. 11, 1989
- 8 - 10I Like You, Butt... Dec. 18, 1989
- 8 - 11Jumpin' George Jan. 01, 1990
- 8 - 12Lights! Camera! Contractions! Jan. 08, 1990
- 8 - 13Beauty and the Pest Jan. 15, 1990
- 8 - 14Good Neighbor Sam Jan. 29, 1990
- 8 - 15Child in Charge Feb. 05, 1990
- 8 - 16Seein' Double Feb. 19, 1990
- 8 - 17Born to Be Mild Feb. 26, 1990
- 8 - 18Daddy's Little Girl Mar. 05, 1990
- 8 - 19Georgie and Grace Mar. 19, 1990
- 8 - 20Handymania Apr. 09, 1990
- 8 - 21Dick and Tim Apr. 30, 1990
- 8 - 22Father Goose May. 07, 1990
8 - 23My Husband, My Peasant May. 14, 1990- 8 - 24The Last Newhart May. 21, 1990