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It redirects through /go to the official app or website for that provider in your country. We never send you to unofficial stream sites.

How do you know what is available in United States?

Results use your region cookie (or IP country). Availability is per country — a title on in the US may be missing in India.

How do I change my country?

Use the country control in the header. We save it in a wt_region cookie on this device. That cookie wins over IP detection.

Where does the Watch button go?

It redirects through /go to the official app or website for that provider in your country. We never send you to unofficial stream sites.

Available in United States

Invasion of the Mermaids (2021)

Where can I watch?

As of 2026-09-13, Invasion of the Mermaids (2021) streams on 1 of 6 tracked regions. United States: Amazon Prime Video, Amazon Prime Video with Ads, Tubi TV, The Roku Channel, Fandango at Home Free, Amazon Prime Video Free with Ads.

2021 · Released · 100m

TMDB 0.0

On Chen Shui's wedding night, his bride's kidnapped by the Jiaoren, people from Chinese mythology who produce pearls from tears. He sets sail to a small island in the South China Sea to find out the true reason for the Jiaoren's violence against humans.

Availability by country

Streaming in 1 of 6 tracked countries as of 2026-09-14.

Country	Licensed apps
India	Not listed
United States	Amazon Prime Video, Amazon Prime Video with Ads, Tubi TV, The Roku Channel, Fandango At Home, Amazon Video, Amazon Prime Video Free with Ads, Fandango at Home Free
United Kingdom	Not listed
Japan	Not listed
Germany	Not listed
Brazil	Not listed

Country

Licensed apps

India

Not listed

United States

Amazon Prime Video, Amazon Prime Video with Ads, Tubi TV, The Roku Channel, Fandango At Home, Amazon Video, Amazon Prime Video Free with Ads, Fandango at Home Free

United Kingdom

Not listed

Japan

Not listed

Germany

Not listed

Brazil

Not listed

FAQ

Where can I watch Invasion of the Mermaids in United States?

As of 2026-09-14, in United States: Invasion of the Mermaids streams on Amazon Prime Video, Amazon Prime Video with Ads; ad-supported on Tubi TV, The Roku Channel, Fandango at Home Free, Amazon Prime Video Free with Ads; rent or buy on Fandango At Home, Amazon Video.

Where can I watch Invasion of the Mermaids in India?

Invasion of the Mermaids is not on tracked licensed apps in India right now.

Where can I watch Invasion of the Mermaids in United Kingdom?

Invasion of the Mermaids is not on tracked licensed apps in United Kingdom right now.

Where can I watch Invasion of the Mermaids in Japan?

Invasion of the Mermaids is not on tracked licensed apps in Japan right now.

Where can I watch Invasion of the Mermaids in Germany?

Invasion of the Mermaids is not on tracked licensed apps in Germany right now.

Where can I watch Invasion of the Mermaids in Brazil?

Invasion of the Mermaids is not on tracked licensed apps in Brazil right now.

Do you host Invasion of the Mermaids?

No. WhereToWatch.it never hosts or embeds the title. We only show licensed apps and open their official sites.

Can I watch Invasion of the Mermaids on this site?

No. The player is an official trailer only. Watch opens the licensed app or store that actually has the title in your country.

What do Stream, Free, Ads, and Rent mean?

Stream is included with a subscription. Free is complimentary on that app. Ads means ad-supported streaming. Rent or Buy is a one-off purchase on a store.

Availability by country

Streaming in 1 of 6 tracked countries as of 2026-09-14.

Country	Licensed apps
India	Not listed
United States	Amazon Prime Video, Amazon Prime Video with Ads, Tubi TV, The Roku Channel, Fandango At Home, Amazon Video, Amazon Prime Video Free with Ads, Fandango at Home Free
United Kingdom	Not listed
Japan	Not listed
Germany	Not listed
Brazil	Not listed

Country

Licensed apps

India

Not listed

United States

Amazon Prime Video, Amazon Prime Video with Ads, Tubi TV, The Roku Channel, Fandango At Home, Amazon Video, Amazon Prime Video Free with Ads, Fandango at Home Free

United Kingdom

Not listed

Japan

Not listed

Germany

Not listed

Brazil

Not listed

FAQ

Where can I watch Invasion of the Mermaids in United States?

Where can I watch Invasion of the Mermaids in India?

Invasion of the Mermaids is not on tracked licensed apps in India right now.

Where can I watch Invasion of the Mermaids in United Kingdom?

Invasion of the Mermaids is not on tracked licensed apps in United Kingdom right now.

Where can I watch Invasion of the Mermaids in Japan?

Invasion of the Mermaids is not on tracked licensed apps in Japan right now.

Where can I watch Invasion of the Mermaids in Germany?

Invasion of the Mermaids is not on tracked licensed apps in Germany right now.

Where can I watch Invasion of the Mermaids in Brazil?

Invasion of the Mermaids is not on tracked licensed apps in Brazil right now.

Do you host Invasion of the Mermaids?

No. WhereToWatch.it never hosts or embeds the title. We only show licensed apps and open their official sites.

Can I watch Invasion of the Mermaids on this site?

No. The player is an official trailer only. Watch opens the licensed app or store that actually has the title in your country.

What do Stream, Free, Ads, and Rent mean?

Stream is included with a subscription. Free is complimentary on that app. Ads means ad-supported streaming. Rent or Buy is a one-off purchase on a store.