Season Four of Three's Company premiered on September 11, 1979.
Episodes
| # |
#
|
Title
|
|
|
Airdate
|
|
|
|
| 54 |
1
|
Jack on the Lam
|
|
|
September 11, 1979
|
|
|
|
| 55 |
2
|
Love Thy Neighbor
|
|
|
September 18, 1979
|
|
|
|
| 56 |
3
|
The New Landlord
|
|
|
September 25, 1979
|
|
|
|
| 57 |
4
|
Snow Job
|
|
|
October 2, 1979
|
|
|
|
| 58 |
5
|
Jack the Ripper
|
|
|
October 9, 1979
|
|
|
|
| 59 |
6
|
The Lifesaver
|
|
|
October 23, 1979
|
|
|
|
| 60 |
7
|
Old Folks at Home
|
|
|
October 30, 1979
|
|
|
|
| 61 |
8
|
A-Camping We Will Go
|
|
|
November 6, 1979
|
|
|
|
| 62 |
9
|
Chrissy's Hospitality
|
|
|
November 13, 1979
|
|
|
|
| 63 |
10
|
The Loan Shark
|
|
|
November 20, 1979
|
|
|
|
| 64 |
11
|
The Love Barge
|
|
|
November 27, 1979
|
|
|
|
| 65 |
12
|
Ralph's Rival
|
|
|
December 4, 1979
|
|
|
|
| 66 |
13
|
A Black Letter Day
|
|
|
December 11, 1979
|
|
|
|
| 67 |
14
|
The Reverend Steps Out
|
|
|
December 18, 1979
|
|
|
|
| 68 |
15
|
Larry Loves Janet
|
|
|
January 8, 1980
|
|
|
|
| 69 |
16
|
Mighty Mouth
|
|
|
January 15, 1980
|
|
|
|
| 70 |
17
|
The Love Lesson
|
|
|
January 22, 1980
|
|
|
|
| 71 |
18
|
Handcuffed
|
|
|
January 29, 1980
|
|
|
|
| 72 |
19
|
And Baby Makes Two
|
|
|
February 5, 1980
|
|
|
|
| 73 |
20
|
Jack's Bad Boy
|
|
|
February 12, 1980
|
|
|
|
| 74 |
21
|
Lee Ain't Heavy, He's My Brother
|
|
|
February 26, 1980
|
|
|
|
| 75 |
22
|
The Root of All Evil
|
|
|
March 4, 1980
|
|
|
|
| 76 |
23
|
Secret Admirer
|
|
|
March 11, 1980
|
|
|
|
| 77 |
24
|
The Goodbye Guy
|
|
|
March 25, 1980
|
|
|
|
| 78 |
25
|
Jack's Graduation
|
|
|
May 6, 1980
|
|
|
|
