The 100 Episode Count Comparison (Seasons)
How many The 100 episodes per season? Compare all 7 season counts plus the 100 total, from 13 in early years to 16 in peak years, with CW data. Full CW data.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Full series episodes Top here at 100 episodes. | 100 episodes | Full CW run, 2014 to 2020 | CW episode guide: The 100 100 episodes total |
| Season 1 episodes Ties lowest at 13. | 13 episodes | Season 1, 2014 | CW guide: Season 1 13 episodes |
| Season 2 episodes Ties longest at 16. | 16 episodes | Season 2, 2014 to 2015 | CW guide: Season 2 16 episodes |
| Season 3 episodes Ties longest at 16. | 16 episodes | Season 3, 2016 | CW guide: Season 3 16 episodes |
| Season 4 episodes Ties lowest at 13. | 13 episodes | Season 4, 2017 | CW guide: Season 4 13 episodes |
| Season 5 episodes Ties lowest at 13. | 13 episodes | Season 5, 2018 | CW guide: Season 5 13 episodes |
| Season 6 episodes Ties lowest at 13. | 13 episodes | Season 6, 2019 | CW guide: Season 6 13 episodes |
| Season 7 episodes Final season at 16. | 16 episodes | Season 7, 2020 | CW guide: Season 7 16 episodes |
About this converter
The 100 ran 100 episodes on the CW from 2014 to 2020. Seasons 2, 3 and 7 tie at 16, the longest on the table. Seasons 1, 4, 5 and 6 sit at 13 each. The full 100 equals almost 8 season 1 orders. Each year covers a Grounder war arc for Clarke Griffin. The finale aired September 30 2020. All values are CW broadcast counts. The even 100 total was planned for the final year. The full 100 equals almost 8 season 1 orders. Three years at 16 give 48 from seasons 2, 3 and 7. Four years at 13 give 52 from the rest.
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.
Season 1 tested with 13 before larger orders. Later years alternated 13 and 16 by schedule. No webisodes enter the rows. Only CW broadcast season episodes are counted. That gives 8 entries for full 7 season coverage. Bellamy episodes count the same as Octavia ones in the method used here. The finale aired as one hour but follows totals.
FAQ
How many The 100 episodes exist?
100 episodes across 7 seasons on the CW.
Which seasons are longest?
Seasons 2, 3 and 7 tie at 16 episodes.
Which seasons are shortest?
Seasons 1, 4, 5 and 6 tie at 13 episodes.
Was 100 episodes planned?
Yes. The CW closed the story on the 100th episode.
Sources
- CW official The 100 episode guide (total 100, season 1 13, season 2 16, season 3 16)
- CW episode guide (season 4 13, season 5 13, season 6 13, season 7 16)
Last verified: 2026-10-09 · 8 entries
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