Welcome Back, Kotter
Season 1
| Index | Episode | Airdate | P-Code |
|---|---|---|---|
| 1×01 | The Great Debate | Sep 09, 1975 | 104 |
| 1×02 | Basket Case | Sep 16, 1975 | 102 |
| 1×03 | Welcome Back (Pilot) | Sep 23, 1975 | 0598 |
| 1×04 | Whodunit? | Sep 30, 1975 | 103 |
| 1×05 | The Election | Oct 07, 1975 | 101 |
| 1×06 | No More Mister Nice Guy | Oct 14, 1975 | 105 |
| 1×07 | Classroom Marriage | Oct 21, 1975 | 107 |
| 1×08 | One of Our Sweathogs Is Missing | Oct 28, 1975 | 106 |
| 1×09 | Mr. Kotter, Teacher | Nov 04, 1975 | 108 |
| 1×10 | The Reunion | Nov 18, 1975 | 110 |
| 1×11 | Barbarino's Girl | Nov 25, 1975 | 109 |
| 1×12 | California Dreamin' | Dec 02, 1975 | 111 |
| 1×13 | Arrividerci, Arnold | Dec 16, 1975 | 112 |
| 1×14 | The Longest Weekend | Jan 06, 1976 | 114 |
| 1×15 | The Sit-In | Jan 13, 1976 | 113 |
| 1×16 | Follow The Leader (1) | Jan 20, 1976 | 116 |
| 1×17 | Follow The Leader (2) | Jan 22, 1976 | 117 |
| 1×18 | Dr. Epstein, I Presume | Jan 29, 1976 | 115 |
| 1×19 | One Flu Over The Cuckoo's Nest | Feb 05, 1976 | 118 |
| 1×20 | The Telethon | Feb 12, 1976 | 119 |
| 1×21 | Kotter Makes Good | Feb 19, 1976 | 120 |
| 1×22 | Father Vinnie | Feb 26, 1976 | 121 |
Season 2
| Index | Episode | Airdate | P-Code |
|---|---|---|---|
| 2×01 | Career Day | Sep 23, 1976 | 205 |
| 2×02 | Inherit The Halibut | Sep 30, 1976 | 206 |
| 2×03 | Sweatside Story | Oct 07, 1976 | 201 |
| 2×04 | The Fight | Oct 21, 1976 | 209 |
| 2×05 | The Museum | Oct 28, 1976 | 204 |
| 2×06 | Gabe Under Pressure | Nov 04, 1976 | 203 |
| 2×07 | Sweathog, Nebraska Style | Nov 11, 1976 | 210 |
| 2×08 | Sadie Hawkins Day | Nov 18, 1976 | 211 |
| 2×09 | Hello, Ms. Chips | Dec 02, 1976 | 212 |
| 2×10 | Horshack vs. Carvelli | Dec 09, 1976 | 214 |
| 2×11 | Sweathog Clinic for the Cure of Smoking | Dec 16, 1976 | 207 |
| 2×12 | Hark, the Sweatkings | Dec 23, 1976 | 215 |
| 2×13 | A Love Story | Dec 30, 1976 | 202 |
| 2×14 | Caruso's Way | Jan 06, 1977 | 217 |
| 2×15 | Sweatgate Scandal | Jan 13, 1977 | 216 |
| 2×16 | Kotter and Son | Jan 20, 1977 | 218 |
| 2×17 | Chicken a la Kotter | Jan 27, 1977 | 208 |
| 2×18 | Has Anyone Seen Arnold? (1) | Feb 03, 1977 | 220 |
| 2×19 | There Goes Number 5 (2) | Feb 03, 1977 | 213 |
| 2×20 | The Littlest Sweathog | Feb 10, 1977 | 219 |
| 2×21 | Radio Free Freddie | Feb 17, 1977 | 222 |
| 2×22 | I'm Having Their Baby | Feb 24, 1977 | 221 |
| 2×23 | I Wonder Who's Kissing Gabe Now? | Mar 03, 1977 | 223 |
Season 3
| Index | Episode | Airdate | P-Code |
|---|---|---|---|
| 3×01 | Sweathogs Back-to-School Special | Sep 10, 1977 | 330 |
| 3×02 | And Baby Makes Four (1) | Sep 15, 1977 | 302 |
| 3×03 | And Baby Makes Four (2) | Sep 15, 1977 | 303 |
| 3×04 | The Visit | Sep 22, 1977 | 304 |
| 3×05 | Buddy, Can You Spare a Million? | Sep 29, 1977 | 301 |
| 3×06 | Just Testing | Oct 06, 1977 | 305 |
| 3×07 | The Deprogramming of Arnold Horshack | Oct 13, 1977 | 306 |
| 3×08 | What a Move | Oct 20, 1977 | 307 |
| 3×09 | A Novel Idea | Oct 27, 1977 | 308 |
| 3×10 | Barbarino in Love (1) | Nov 03, 1977 | 309 |
| 3×11 | Barbarino in Love (2) | Nov 10, 1977 | 310 |
| 3×12 | Kotter for Vice Principal | Nov 17, 1977 | 311 |
| 3×13 | Swine and Punishment | Nov 24, 1977 | 312 |
| 3×14 | Epstein's Madonna | Dec 08, 1977 | 313 |
| 3×15 | Sweathog Christmas Special | Dec 15, 1977 | 328 |
| 3×16 | Sweatwork | Dec 22, 1977 | 315 |
| 3×17 | Meet Your New Teacher | Jan 05, 1978 | 316 |
| 3×18 | Angie | Jan 12, 1978 | 314 |
| 3×19 | Epstein's Term Paper | Jan 19, 1978 | 317 |
| 3×20 | There's No Business Like Show Business (1) | Jan 26, 1978 | 318 |
| 3×21 | There's No Business Like Show Business (2) | Feb 02, 1978 | 319 |
| 3×22 | What Goes Up | Feb 09, 1978 | 320 |
| 3×23 | Good-Bye, Mr. Kripps | Feb 16, 1978 | 321 |
| 3×24 | Horshack and the Madame X | Feb 23, 1978 | 322 |
| 3×25 | The Kiss | Mar 09, 1978 | 323 |
| 3×26 | The Return of Hotsy Totsy | May 11, 1978 | 325 |
| 3×27 | Class Encounter of the Carvelli Kind | May 18, 1978 | 324 |
Season 4
| Index | Episode | Airdate | P-Code |
|---|---|---|---|
| 4×01 | The Drop-Ins (1) | Sep 11, 1978 | 405 |
| 4×02 | The Drop-Ins (2) | Sep 11, 1978 | 406 |
| 4×03 | Beau's Jest | Sep 18, 1978 | 402 |
| 4×04 | Don't Come Up and See Me Sometime | Sep 25, 1978 | 404 |
| 4×05 | Once Upon a Ledge | Oct 02, 1978 | 407 |
| 4×06 | The Sweatmobile | Oct 09, 1978 | 403 |
| 4×07 | Barbarino's Boo-Boo | Oct 21, 1978 | 408 |
| 4×08 | X-Rated Education | Oct 28, 1978 | 410 |
| 4×09 | The Barbarino Blues | Nov 04, 1978 | 411 |
| 4×10 | Washington's Clone | Nov 11, 1978 | 409 |
| 4×11 | Frog Day Afternoon | Nov 25, 1978 | 401 |
| 4×12 | A Little Fright Music | Dec 02, 1978 | 412 |
| 4×13 | A Winter's Coat Tale | Dec 16, 1978 | 415 |
| 4×14 | Bride and Gloom | Jan 13, 1979 | 413 |
| 4×15 | Barbarino's Baby | Feb 03, 1979 | 416 |
| 4×16 | The Goodbye Guy | Feb 10, 1979 | 414 |
| 4×17 | Come Back, Little Arnold | Feb 24, 1979 | 420 |
| 4×18 | The Sweat Smell of Success | Mar 03, 1979 | 417 |
| 4×19 | The Gang Show | Mar 17, 1979 | 419 |
| 4×20 | Oo, Oo, I Do (1) | May 25, 1979 | 421 |
| 4×21 | Oo, Oo, I Do (2) | May 25, 1979 | 422 |
| 4×22 | I'm Okay, But You're Not | Jun 01, 1979 | 418 |
| 4×23 | The Breadwinners | Jun 08, 1979 | 423 |