Episodes
| Episode | First Broadcast | Repeated | Comments |
|---|---|---|---|
| 01 | 20111003 | 20120415 (BBC7) 20121119 (BBC7) 20121120 (BBC7) 20130701 (BBC7) 20150413 (BBC7) 20160919 (BBC7) | |
| 02 | 20111004 | 20120422 (BBC7) 20121120 (BBC7) 20121121 (BBC7) 20130702 (BBC7) 20150414 (BBC7) 20160920 (BBC7) | Robert Olmstead explores the decrepit town of Innsmouth with a growing sense of unease. |
| 03 | 20111005 | 20120429 (BBC7) 20121121 (BBC7) 20121122 (BBC7) 20130703 (BBC7) 20150415 (BBC7) 20160921 (BBC7) | Robert Olmstead listens to local drunk Zadok Allen, who reveals the history of the town. |
| 04 | 20111006 | 20120506 (BBC7) 20121122 (BBC7) 20121123 (BBC7) 20130704 (BBC7) 20150416 (BBC7) 20160922 (BBC7) | Robert Olmstead spends a night in Innsmouth, but the locals ensure he won't get much sleep |
| 05 LAST | 20111007 | 20120513 (BBC7) 20121123 (BBC7) 20121124 (BBC7) 20130705 (BBC7) 20150417 (BBC7) 20160923 (BBC7) | Robert Olmstead flees Innsmouth only to discover a shocking secret linking him to the town |