Overview
The coastal town of Bristol Cove is known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.
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Keywords
mermaidsiren
Seasons
Season 110 episodes2018
1
Pilot
2018-03-29
42m6.4es639680
2The Lure
2018-03-29
42m6.7es639681
3Interview with a Mermaid
2018-04-05
42m6.9es639682
4On the Road
2018-04-12
42m7.1es639683
5Curse of the Starving Class
2018-04-19
42m7.4es639684
6Showdown
2018-04-26
42m7.2es639685
7Dead in the Water
2018-05-03
42m7.0es639686
8Being Human
2018-05-10
42m7.0es639687
9Street Fight
2018-05-17
42m7.0es639688
10Aftermath
2018-05-24
42m6.0es639689
Season 216 episodes2019
1
The Arrival
2019-01-24
42m7.3es639690
2The Wolf at the Door
2019-01-31
42m7.2es639691
3Natural Order
2019-02-07
42m7.2es639692
4Oil & Water
2019-02-14
42m7.7es639693
5Primal Instincts
2019-02-21
42m7.8es639694
6Distress Call
2019-02-28
42m7.4es639695
7Entrapment
2019-03-07
42m7.0es639696
8Leverage
2019-03-14
42m7.6es639697
9No North Star
2019-06-13
42m7.2es639698
10All In
2019-06-20
42m7.2es639699
11Mixed Signals
2019-06-27
42m7.5es639700
12Serenity
2019-06-27
42m7.2es639701
13The Outpost
2019-07-11
42m7.0es639702
14The Last Mermaid
2019-07-18
42m7.0es639703
15Sacrifice
2019-07-25
42m7.0es639704
16New World Order
2019-08-01
42m7.0es639705
Season 310 episodes2020
1
Borders
2020-04-02
42m5.5es639706
2Revelations
2020-04-02
42m8.5es639707
3Survivor
2020-04-09
42m7.0es639708
4Life and Death
2020-04-16
42m7.0es639709
5Mommy and Me
2020-04-23
42m9.0es639710
6The Island
2020-04-30
42m9.0es639711
7Northern Exposure
2020-05-07
42m8.0es639712
8‘Til Death Do Us Part
2020-05-14
42m9.0es639713
9A Voice in the Dark
2020-05-21
42m6.0es639714
10The Toll of the Sea
2020-05-28
42m8.0es639715
Added: 5/14/2026Updated: 6/2/2026