Man lives in the sunlit world of what he believes to be reality. But there is, unseen by most, an underworld, a place that is just as real, but not as brightly lit... a Darkside.
Season One: 24 episodes
| Ep | PN | Airdate | Title |
| 1 | | Oct 29/83 | Trick or Treat |
| 2 | | Sep 30/84 | The New Man |
| 3 | | Oct 07/84 | I'll Give You a Million |
| 4 | | Oct 14/84 | Pain Killer |
| 5 | | Oct 21/84 | The Odds |
| 6 | | Nov 04/84 | Mookie and Pookie |
| 7 | | Nov 11/84 | Slippage |
| 8 | | Nov 18/84 | Inside the Closet |
| 9 | | Nov 25/84 | The Word Processor of the Gods |
| 10 | | Dec 02/84 | A Case of the Stubborns |
| 11 | | Jan 13/85 | Djinn, No Chaser |
| 12 | | Jan 20/85 | All a Clone By the Telephone |
| 13 | | Jan 27/85 | In the Cards |
| 14 | | Feb 03/85 | Anniversary Dinner |
| 15 | | Feb 10/85 | Snip, Snip |
| 16 | | Feb 17/85 | Answer Me |
| 17 | | Feb 24/85 | The Tear Collector |
| 18 | | May 05/85 | The Madness Room |
| 19 | | May 12/85 | If the Shoes Fit |
| 20 | | May 19/85 | Levitation |
| 21 | | May 26/85 | It All Comes Out in the Wash |
| 22 | | Jun 09/85 | Bigalow's Last Smoke |
| 23 | | Jun 16/85 | Grandma's Last Wish |
| 24 | | Aug 04/85 | The False Prophet |
Season Two: 24 episodes
| Ep | PN | Airdate | Title |
| 25 | 203 | Sep 29/85 | The Impressionist |
| 26 | 204 | Oct 06/85 | Lifebomb |
| 27 | 224 | Oct 13/85 | Ring Around the Redhead |
| 28 | 215 | Oct 20/85 | Parlor Floor Front |
| 29 | 222 | Oct 27/85 | Halloween Candy |
| 30 | 207 | Nov 03/85 | The Satanic Piano |
| 31 | 221 | Nov 10/85 | The Devil's Advocate |
| 32 | | Nov 17/85 | Distant Signals |
| 33 | 206 | Nov 24/85 | The Trouble With Mary Jane |
| 34 | 214 | Dec 01/85 | Ursa Minor |
| 35 | 211 | Dec 08/85 | Effect and Cause |
| 36 | 216 | Dec 22/85 | Monsters in My Room |
| 37 | 218 | Jan 12/86 | The Comet Watch |
| 38 | 205 | Jan 19/86 | Dream Girl |
| 39 | 209 | Jan 26/86 | A New Lease on Life |
| 40 | 210 | Feb 02/86 | Printer's Devil |
| 41 | | Feb 09/86 | The Shrine |
| 42 | | Feb 16/86 | The Old Soft Shoe |
| 43 | 202 | Feb 23/86 | The Last Car |
| 44 | | May 04/86 | A Choice of Dreams |
| 45 | 217 | May 11/86 | Strange Love |
| 46 | 208 | May 18/86 | The Unhappy Medium |
| 47 | 223 | May 25/86 | Fear of Floating |
| 48 | 212 | Jul 13/86 | The Casavin Curse |
Season Three: 22 episodes
| Ep | PN | Airdate | Title |
| 49 | 304 | Sep 28/86 | The Circus |
| 50 | 326 | Oct 05/86 | I Can't Help Saying Goodbye |
| 51 | 327 | Oct 12/86 | The Bitterest Pill |
| 52 | 309 | Oct 19/86 | Florence Bravo |
| 53 | 312 | Oct 26/86 | The Geezenstacks |
| 54 | 330 | Nov 02/86 | Black Widows |
| 55 | 301 | Nov 09/86 | Heretic |
| 56 | 325 | Nov 16/86 | A Serpent's Tooth |
| 57 | | Nov 23/86 | Baker's Dozen |
| 58 | 311 | Nov 30/86 | Deliver Us From Goodness |
| 59 | 317 | Dec 28/86 | Seasons of Belief |
| 60 | 307 | Jan 18/87 | Miss May Dusa |
| 61 | 328 | Jan 25/87 | The Milkman Cometh |
| 62 | 333 | Feb 01/87 | My Ghostwriter -- the Vampire |
| 63 | 315 | Feb 08/87 | My Own Place |
| 64 | 332 | Feb 15/87 | Red Leader |
| 65 | 305 | Feb 22/87 | Everybody Needs a Little Love |
| 66 | 313 | Mar 01/87 | Auld Acquaintances |
| 67 | 331 | Mar 08/87 | The Social Climber |
| 68 | 306 | May 03/87 | The Swap |
| 69 | 302 | May 10/87 | Let the Games Begin |
| 70 | | May 17/87 | The Enormous Radio |
Season Four: 20 episodes
| Ep | PN | Airdate | Title |
| 71 | | Sep 27/87 | Beetles |
| 72 | | Oct 04/87 | Mary, Mary |
| 73 | | Oct 11/87 | The Spirit Photographer |
| 74 | | Oct 18/87 | The Moth |
| 75 | | Oct 25/87 | No Strings |
| 76 | 320 | Nov 01/87 | The Grave Robber |
| 77 | 340 | Nov 08/87 | The Yattering and Jack |
| 78 | 318 | Nov 15/87 | Seymourlama |
| 79 | 337 | Nov 22/87 | Sorry, Right Number |
| 80 | 314 | Feb 14/88 | Payment Overdue |
| 81 | 336 | Feb 21/88 | Love Hungry |
| 82 | 339 | Feb 28/88 | The Deal |
| 83 | 303 | May 01/88 | The Apprentice |
| 84 | 310 | May 08/88 | The Cutty Black Sow |
| 85 | 308 | May 15/88 | Do Not Open This Box |
| 86 | | May 22/88 | Family Reunion |
| 87 | 341 | Jun 19/88 | Going Native |
| 88 | 319 | Jul 10/88 | Hush |
| 89 | 335 | Jul 17/88 | Barter |
| 90 | | Jul 24/88 | Basher Malone |
| | May 04/90 | Tales From the Darkside: The Movie (Lot 249, The Cat From Hell, Lovers Vow) |