Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Pilot | 7.0 | 772 |
| 2 | The Secret of the Old Morgue | 7.3 | 552 |
| 3 | The Curse of the Dark Storm | 7.5 | 495 |
| 4 | The Haunted Ring | 7.5 | 460 |
| 5 | The Case of the Wayward Spirit | 7.5 | 440 |
| 6 | The Mystery of Blackwood Lodge | 7.6 | 425 |
| 7 | The Tale of the Fallen Sea Queen | 7.5 | 401 |
| 8 | The Path of Shadows | 7.8 | 392 |
| 9 | The Hidden Staircase | 7.7 | 388 |
| 10 | The Mark of the Poisoner's Pearl | 7.7 | 360 |
| 11 | The Phantom of Bonny Scot | 7.7 | 345 |
| 12 | The Lady of Larkspur Lane | 7.8 | 346 |
| 13 | The Whisper Box | 7.8 | 357 |
| 14 | The Sign of the Uninvited Guest | 8.0 | 346 |
| 15 | The Terror of Horseshoe Bay | 7.8 | 346 |
| 16 | The Haunting of Nancy Drew | 8.8 | 510 |
| 17 | The Girl in the Locket | 8.0 | 366 |
| 18 | The Clue in the Captain's Painting | 8.0 | 343 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Search for the Midnight Wraith | 7.5 | 333 |
| 2 | The Reunion of Lost Souls | 7.7 | 310 |
| 3 | The Secret of the Solitary Scribe | 7.7 | 296 |
| 4 | The Fate of the Buried Treasure | 7.7 | 291 |
| 5 | The Drowned Woman | 8.1 | 314 |
| 6 | The Riddle of the Broken Doll | 7.7 | 272 |
| 7 | The Legend of the Murder Hotel | 7.8 | 262 |
| 8 | The Quest for the Spider Sapphire | 7.5 | 257 |
| 9 | The Bargain of the Blood Shroud | 7.5 | 256 |
| 10 | The Spell of the Burning Bride | 8.1 | 283 |
| 11 | The Scourge of the Forgotten Rune | 8.3 | 294 |
| 12 | The Trail of the Missing Witness | 7.8 | 256 |
| 13 | The Beacon of Moonstone Island | 7.4 | 247 |
| 14 | The Siege of the Unseen Specter | 7.2 | 364 |
| 15 | The Celestial Visitor | 6.3 | 363 |
| 16 | The Purloined Keys | 8.2 | 257 |
| 17 | The Judgement of the Perilous Captive | 7.9 | 252 |
| 18 | The Echo of Lost Tears | 8.5 | 297 |
Season 3 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Warning of the Frozen Heart | 7.9 | 265 |
| 2 | The Journey of the Dangerous Mind | 7.8 | 218 |
| 3 | The Testimony of the Executed Man | 8.0 | 226 |
| 4 | The Demon of Piper Beach | 8.0 | 219 |
| 5 | The Vision of the Birchwood Prisoner | 7.7 | 208 |
| 6 | The Myth of the Ensnared Hunter | 7.7 | 200 |
| 7 | The Gambit of the Tangled Souls | 8.1 | 217 |
| 8 | The Burning of the Sorrows | 7.5 | 210 |
| 9 | The Voices in the Frost | 8.0 | 207 |
| 10 | The Confession of the Long Night | 7.7 | 210 |
| 11 | The Spellbound Juror | 8.0 | 209 |
| 12 | The Witch Tree Symbol | 8.0 | 208 |
| 13 | The Ransom of the Forsaken Soul | 8.2 | 265 |
Season 4 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Dilemma of the Lover's Curse | 8.1 | 196 |
| 2 | The Maiden's Rage | 7.9 | 169 |
| 3 | The Danger of the Hopeful Sigil | 7.9 | 167 |
| 4 | The Return of the Killer's Hook | 7.5 | 152 |
| 5 | The Oracle of the Whispering Remains | 7.9 | 137 |
| 6 | The Web of Yesterdays | 7.3 | 148 |
| 7 | The Reaping of Hollow Oak | 8.0 | 145 |
| 8 | The Crooked Banister | 8.1 | 161 |
| 9 | The Memory of the Stolen Soul | 7.8 | 131 |
| 10 | The Ballad of Lives Foregone | 7.5 | 143 |
| 11 | The Sinner's Sacrifice | 7.1 | 137 |
| 12 | The Heartbreak of Truth | 6.9 | 139 |
| 13 | The Light Between Lives | 8.3 | 165 |
