Moon River () is a 2025 South Korean television series starring Kang Tae-oh, and Kim Se-jeong. It aired on MBC TV from November 7, to December 20, 2025, every Friday and Saturday at 21:40 (KST).
The series is also available for streaming on Viu in Singapore, Hong Kong, Thailand, Philippines, Indonesia and Malaysia.
Synopsis A historical drama about a crown prince who has lost his smile, a peddler who has lost her memory and their inevitable love that spans lifetimes.
Cast Main Kang Tae-oh as Lee Kang The crown prince who has lost the love of his life. Kim Se-jeong as Park Dal-i A woman from low social class who lost her memory as an adult. Lee Shin-young as Prince Un Lee Kang's cousin Hong Su-zu as Kim Woo-hee Daughter of Kim Han-chul, love interest of Prince Un, and Lee Kang's betrothed. Jin Goo as Kim Han-chul A man of absolute power who is the "minister-advisor" to the King.
Supporting Kim Nam-hee as Lee Hee Kwon Joo-seok as Oh Shin-won Han Sang-jo as Yoon Se-dol Kim Yoon-bae as Cha Eun-woo Park Ah-in as Park Hong-nan : Dal-yi's dad Park Bo-kyung: Dal-yi's mom Choi Deok-moon as Heo Young-gam Kim Jung-ki as Minister of Personnel Jag-yeong Yang Gi-won as Minister of War Hong Ro Nam Gi-ae as Queen Dowager Han Ji Il-joo as Do Seung-ji
Others Song Ji-hyun as Yeo-ri Tak-i-on as Tak-i Yoon Chae-bin as Yeon-sim
Production The series is directed by , whose works include Bitter Sweet Hell (2024), and written by Cho Seung-hui, who wrote More Than Friends (2020). It is produced by High-Zium Studio.
Release The series was originally scheduled to premiere on October 31. However, it was delayed by a week due to the broadcast of the 2025 Shinhan SOL Bank KBO Playoffs.
On November 13, 2025, MBC announced a change in broadcast time from 21:50 to 21:40 starting from the third episode.
Viewership
+Average TV viewership ratings Original broadcast date Average audience share(Nielsen Korea)Nielsen Korea ratings:
Nationwide Seoul 1 November 7, 2025 3.8% 3.7% 2 November 8, 2025 3 November 14, 2025 5.6% 5.1% 4 November 15, 2025 4.1% 3.7% 5 November 21, 2025 6.1% 6.1% 6 November 22, 2025 5.2% 5.2% 7 November 28, 2025 5.5% 5.3% 8 November 29, 2025 5.4% 4.9% 9 December 5, 2025 6.0% 5.8% 10 December 6, 2025 5.3% 4.9% 11 December 12, 2025 5.6% 5.1% 12 December 13, 2025 5.7% 5.1% 13 December 19, 2025 6.4% 6.1% 14 December 20, 2025 Average Special October 5, 2025 1.6% In the table above, the represent the lowest ratings and the represent the highest ratings. N/A denotes ratings that were not published. NR denotes that the show did not rank in the top 20 daily programs on that date.
References
External links