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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?

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Available in United States

One and Only (2021)

Name: Episode 24
Released: 2021-09-08

Where can I watch?

As of 2026-09-12, One and Only (2021) streams on 3 of 6 tracked regions. United States: Amazon Prime Video, Amazon Prime Video with Ads, Rakuten Viki. United Kingdom: Amazon Prime Video, Amazon Prime Video with Ads. Germany: Rakuten Viki.

15 · 2021 · Ended · 1 season · 24 episodes · 45m

TMDB 8.8 · 15 votes

Drama

Zhou Sheng Chen was raised by his brother, the Emperor, until the age of thirteen, when he set out to defend the border and establish himself as a loyal and accomplished general. Cui Shi Yi, the well-read daughter of an esteemed family, has been betrothed to the Crown Prince since birth. However, political scheming and tragic events result in Cui Shi Yi falling mute, her former fiance becoming a child Emperor, and Zhou Sheng Chen returning to the capital amidst a cloud of political turmoil.

One and Only (2021)

Where can I watch?

15 · 2021 · Ended · 1 season · 24 episodes · 45m

TMDB 8.8 · 15 votes

Availability by country

Streaming in 3 of 6 tracked countries as of 2026-09-12.

Country	Licensed apps
India	Not listed
United States	Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Rakuten Viki
United Kingdom	Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video
Japan	Not listed
Germany	Rakuten Viki
Brazil	Not listed

Country

Licensed apps

India

Not listed

United States

Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Rakuten Viki

United Kingdom

Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video

Japan

Not listed

Germany

Rakuten Viki

Brazil

Not listed

FAQ

Where can I watch One and Only in United States?

As of 2026-09-12, in United States: One and Only streams on Amazon Prime Video, Amazon Prime Video with Ads; ad-supported on Rakuten Viki; rent or buy on Amazon Video.

Where can I watch One and Only in India?

One and Only is not on tracked licensed apps in India right now.

Where can I watch One and Only in United Kingdom?

Licensed apps in United Kingdom: Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video.

Where can I watch One and Only in Japan?

One and Only is not on tracked licensed apps in Japan right now.

Where can I watch One and Only in Germany?

Licensed apps in Germany: Rakuten Viki.

Where can I watch One and Only in Brazil?

One and Only is not on tracked licensed apps in Brazil right now.

Do you host One and Only?

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

Can I watch One and Only 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.

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.

Available in United States

One and Only (2021)

Where can I watch?

15 · 2021 · Ended · 1 season · 24 episodes · 45m

TMDB 8.8 · 15 votes

Drama

Availability by country

Streaming in 3 of 6 tracked countries as of 2026-09-12.

Country	Licensed apps
India	Not listed
United States	Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Rakuten Viki
United Kingdom	Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video
Japan	Not listed
Germany	Rakuten Viki
Brazil	Not listed

Country

Licensed apps

India

Not listed

United States

Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Rakuten Viki

United Kingdom

Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video

Japan

Not listed

Germany

Rakuten Viki

Brazil

Not listed

FAQ

Where can I watch One and Only in United States?

As of 2026-09-12, in United States: One and Only streams on Amazon Prime Video, Amazon Prime Video with Ads; ad-supported on Rakuten Viki; rent or buy on Amazon Video.

Where can I watch One and Only in India?

One and Only is not on tracked licensed apps in India right now.

Where can I watch One and Only in United Kingdom?

Licensed apps in United Kingdom: Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video.

Where can I watch One and Only in Japan?

One and Only is not on tracked licensed apps in Japan right now.

Where can I watch One and Only in Germany?

Licensed apps in Germany: Rakuten Viki.

Where can I watch One and Only in Brazil?

One and Only is not on tracked licensed apps in Brazil right now.

Do you host One and Only?

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

Can I watch One and Only 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.

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.