Sherlock Episode Count Comparison (Series)
How many Sherlock episodes per series? Compare all 4 series counts plus the 13 episode total, with 3 per series plus 1 special, using BBC guides. Series data.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Full series episodes Top here at 13 episodes. | 13 episodes | Full BBC run, 2010 to 2017, plus special | BBC episode guide: Sherlock 13 episodes total |
| Series 1 episodes 3 episodes. Opener year. | 3 episodes | Series 1, 2010 | BBC guide: Series 1 3 episodes |
| Series 2 episodes 3 episodes. | 3 episodes | Series 2, 2012 | BBC guide: Series 2 3 episodes |
| Series 3 episodes 3 episodes. | 3 episodes | Series 3, 2014 | BBC guide: Series 3 3 episodes |
| Series 4 episodes 3 episodes. Final run. | 3 episodes | Series 4, 2017 | BBC guide: Series 4 3 episodes |
| Abominable Bride special Lowest here at 1 special. | 1 episodes | 2016 New Year special | BBC guide: Abominable Bride 1 special |
About this converter
Sherlock ran 13 episodes on BBC One from 2010 to 2017. Four series hold 3 episodes each. The Abominable Bride special adds 1 more for 13 total. Each 90 minute episode counts as one in BBC totals used here. The full 13 equals more than 4 series 1 orders. Each series covers a Moffat and Gatiss modern Holmes arc. The finale aired January 15 2017. All values are BBC broadcast counts. The unaired pilot stays out of series totals. The full 13 equals more than 4 series 1 orders. Four series at 3 give 12 combined plus 1 special. Each 90 minute case counts as one here.
How to use it
Pick two entries and a unit in the top row. The three boxes below stay linked. Change any box and the other two update. One box holds a count of the first entry, one holds the matching count of the second, one holds total episodes. Try the full series against the shortest season.
The 60 minute unaired pilot stays out because only broadcast episodes count. The 7 minute mini Many Happy Returns stays out for the same reason. Each 90 minute film length case counts as one episode here. Only BBC broadcast series episodes plus the special are counted. That gives 6 entries for full coverage. Irene Adler episodes count the same as Moriarty ones in the method used here. The finale aired as 90 minutes but counts as one.
FAQ
How many Sherlock episodes exist?
13 episodes: 12 across 4 series plus 1 special.
How long is each episode?
90 minutes each, counted as one episode per case.
Is the unaired pilot included?
No. Only broadcast episodes are counted.
Why only 6 entries?
Only 4 series plus 1 special aired, plus the total row.
Sources
- BBC official Sherlock episode guide (total 13, series 1 3, series 2 3)
- BBC episode guide (series 3 3, series 4 3, Abominable Bride 1)
Last verified: 2026-10-09 · 6 entries
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