The fourth season of Newhart aired on CBS from September 30, 1985 to May 12, 1986.
4 - 1Pirate Pete Sep. 30, 1985- 4 - 2The Way We Ought to Be Oct. 07, 1985
- 4 - 3Summa Cum Larry Oct. 21, 1985
- 4 - 4Oh, That Morocco Oct. 28, 1985
- 4 - 5Candidate Larry Nov. 04, 1985
- 4 - 6Locks, Stocks, and Noodlehead Nov. 11, 1985
4 - 7The Geezers in the Band Nov. 25, 1985- 4 - 8The Shape of Things Dec. 02, 1985
- 4 - 9Write to Privacy Dec. 16, 1985
- 4 - 10Still the Beavers Dec. 23, 1985
- 4 - 11Much Ado About Mitch Jan. 06, 1986
- 4 - 12Look Ma, No Talent Jan. 13, 1986
- 4 - 13Larry's Dead, Long Live Larry Jan. 20, 1986
- 4 - 14Stephanie Nightingale Jan. 27, 1986
- 4 - 15The Stratford Horror Picture Show Feb. 03, 1986
- 4 - 16I Do, Okay Feb. 10, 1986
- 4 - 17The Snowmen Cometh Feb. 17, 1986
- 4 - 18Will the Real Dick Loudon Please Shut Up? Feb. 24, 1986
- 4 - 19He Ain't Human, He's My Cousin Mar. 03, 1986
- 4 - 20Dwight Schmidlapp Is Not a Quitter Mar. 10, 1986
- 4 - 21Torn Between Three Brothers Mar. 17, 1986
- 4 - 22Baby, I'm Your Handyman Apr. 07, 1986
- 4 - 23Replaceable You Apr. 14, 1986
- 4 - 24Pre-Nups May. 12, 1986