Season 1 of ALF aired on NBC from September 22, 1986 until May 11, 1987.
| Episode Number | Date Aired | Title | Production Number |
|---|---|---|---|
| Pilot | Unaired | ALF Pilot | 1000 |
| 1-1 | 22 Sep 86 | A.L.F. (series premiere) | 1001 |
| 1-2 | 29 Sep 86 | Strangers in the Night | 1004 |
| 1-3 | 6 Oct 86 | Looking for Lucky | 1006 |
| 1-4 | 13 Oct 86 | Pennsylvania 6-5000 | 1003 |
| 1-5 | 20 Oct 86 | Keepin' The Faith | 1008 |
| 1-6 | 3 Nov 86 | For Your Eyes Only | 1005 |
| 1-7 | 10 Nov 86 | Help Me, Rhonda | 1010 |
| 1-8 | 17 Nov 86 | Don't It Make My Brown Eyes Blue? | 1011 |
| 1-9 | 24 Nov 86 | Jump | 1009 |
| 1-10 | 1 Dec 86 | Baby, You Can Drive My Car | 1013 |
| 1-11 | 8 Dec 86 | On The Road Again | 1002 |
| 1-12 | 22 Dec 86 | Oh, Tannerbaum | 1012 |
| 1-13 | 12 Jan 87 | Mother and Child Reunion | 1014 |
| 1-14 | 19 Jan 87 | A Little Bit of Soap | 1015 |
| 1-15 | 2 Feb 87 | I've Got a New Attitude | 1017 |
| 1-16 1-17 |
9 Feb 87 | Try to Remember | 1023A 1023B |
| 1-18 | 16 Feb 87 | Border Song | 1016 |
| 1-19 | 2 Mar 87 | Wild Thing | 1018 |
| 1-20 | 16 Mar 87 | Going Out of My Head Over You | 1019 |
| 1-21 | 23 Mar 87 | Lookin' Through the Windows | 1021 |
| 1-22 | 30 Mar 87 | It Isn't Easy Bein' Green | 1007 |
| 1-23 | 6 Apr 87 | The Gambler | 1022 |
| 1-24 | 13 Apr 87 | Weird Science | 1020 |
| 1-25 | 4 May 87 | La Cucaracha | 1025 |
| 1-26 | 11 May 87 | Come Fly With Me (season finale) | 1024 |