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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.

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

Sum of Histories (2015)

Where can I watch?

As of 2026-09-12, Sum of Histories (2015) streams on 6 of 6 tracked regions. India: Plex, Plex Channel, JustWatch TV. United States: IndieFlix, IndieFlix Shorts Amazon Channel, YouTube Free, Fandango at Home Free, Plex, Filmzie, Cineverse, Plex Channel, Hoopla, JustWatch TV, Darkroom, Fawesome. United Kingdom: Plex, Filmzie, JustWatch TV. Japan: Plex, JustWatch TV. Germany: Plex, Filmzie, Plex Channel, JustWatch TV. Brazil: Plex, Filmzie, Plex Channel, JustWatch TV.

18 · 2015 · Released · 86m

TMDB 7.1 · 16 votes

What would you do if you could change the past?

A scientist makes a discovery that allows him to send emails back in time, but meddling with his past may not give him the future he wants.

Sum of Histories (2015)

Where can I watch?

18 · 2015 · Released · 86m

TMDB 7.1 · 16 votes

What would you do if you could change the past?

A scientist makes a discovery that allows him to send emails back in time, but meddling with his past may not give him the future he wants.

Availability by country

Streaming in 6 of 6 tracked countries as of 2026-09-12.

Country	Licensed apps
India	Plex, JustWatch TV, Plex Channel, MovieMe
United States	Fawesome, Apple TV Store, Google Play Movies, Fandango At Home, Amazon Video, YouTube, Plex, JustWatch TV, Fandango at Home Free, Cineverse, Plex Channel, Hoopla, YouTube Free, MovieMe, Filmzie, Darkroom, IndieFlix Shorts Amazon Channel, IndieFlix
United Kingdom	Plex, JustWatch TV, MovieMe, Filmzie
Japan	Plex, JustWatch TV, MovieMe
Germany	Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie
Brazil	Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie

Country

Licensed apps

India

Plex, JustWatch TV, Plex Channel, MovieMe

United States

Fawesome, Apple TV Store, Google Play Movies, Fandango At Home, Amazon Video, YouTube, Plex, JustWatch TV, Fandango at Home Free, Cineverse, Plex Channel, Hoopla, YouTube Free, MovieMe, Filmzie, Darkroom, IndieFlix Shorts Amazon Channel, IndieFlix

United Kingdom

Plex, JustWatch TV, MovieMe, Filmzie

Japan

Plex, JustWatch TV, MovieMe

Germany

Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie

Brazil

Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie

FAQ

Where can I watch Sum of Histories in United States?

As of 2026-09-12, in United States: Sum of Histories streams on IndieFlix, IndieFlix Shorts Amazon Channel; ad-supported on YouTube Free, Fandango at Home Free, Plex, Filmzie, Cineverse, Plex Channel; free on Hoopla, JustWatch TV, Darkroom, Fawesome; rent or buy on Apple TV Store, Google Play Movies, Fandango At Home, Amazon Video, YouTube, MovieMe.

Where can I watch Sum of Histories in India?

Licensed apps in India: Plex, JustWatch TV, Plex Channel, MovieMe.

Where can I watch Sum of Histories in United Kingdom?

Licensed apps in United Kingdom: Plex, JustWatch TV, MovieMe, Filmzie.

Where can I watch Sum of Histories in Japan?

Licensed apps in Japan: Plex, JustWatch TV, MovieMe.

Where can I watch Sum of Histories in Germany?

Licensed apps in Germany: Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie.

Where can I watch Sum of Histories in Brazil?

Licensed apps in Brazil: Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie.

Do you host Sum of Histories?

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

Can I watch Sum of Histories 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.

Available in United States

Sum of Histories (2015)

Where can I watch?

18 · 2015 · Released · 86m

TMDB 7.1 · 16 votes

What would you do if you could change the past?

A scientist makes a discovery that allows him to send emails back in time, but meddling with his past may not give him the future he wants.

Availability by country

Streaming in 6 of 6 tracked countries as of 2026-09-12.

Country	Licensed apps
India	Plex, JustWatch TV, Plex Channel, MovieMe
United States	Fawesome, Apple TV Store, Google Play Movies, Fandango At Home, Amazon Video, YouTube, Plex, JustWatch TV, Fandango at Home Free, Cineverse, Plex Channel, Hoopla, YouTube Free, MovieMe, Filmzie, Darkroom, IndieFlix Shorts Amazon Channel, IndieFlix
United Kingdom	Plex, JustWatch TV, MovieMe, Filmzie
Japan	Plex, JustWatch TV, MovieMe
Germany	Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie
Brazil	Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie

Country

Licensed apps

India

Plex, JustWatch TV, Plex Channel, MovieMe

United States

United Kingdom

Plex, JustWatch TV, MovieMe, Filmzie

Japan

Plex, JustWatch TV, MovieMe

Germany

Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie

Brazil

Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie

FAQ

Where can I watch Sum of Histories in United States?

Where can I watch Sum of Histories in India?

Licensed apps in India: Plex, JustWatch TV, Plex Channel, MovieMe.

Where can I watch Sum of Histories in United Kingdom?

Licensed apps in United Kingdom: Plex, JustWatch TV, MovieMe, Filmzie.

Where can I watch Sum of Histories in Japan?

Licensed apps in Japan: Plex, JustWatch TV, MovieMe.

Where can I watch Sum of Histories in Germany?

Licensed apps in Germany: Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie.

Where can I watch Sum of Histories in Brazil?

Licensed apps in Brazil: Plex, JustWatch TV, Plex Channel, MovieMe, Filmzie.

Do you host Sum of Histories?

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

Can I watch Sum of Histories 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.