Sweet 18 charts the course of the relationship between 18-year-old Yoon Jung-sook (Han Ji-hye) and Kwon Hyuk-joon (Lee Dong-gun), a man significantly older than her.
| Also Known As: | Little Bride, 18-year-old Bride |
| Directed by: | Kim Myung-wook, Kim Jung-gyu |
| Written by: | Kim Eun-hee, Yoon Eun-kyung |
| Starring: | Han Ji-hye, Lee Dong-gun |
| Extended Cast: | Lee Da-hae, Lee In, Yoo Hye-jung, Park Joon-hyuk, Lee Soon-jae, Kim Hae-sook, Jung Kyung-ho, Lee Eun-joo, Lee Eun-shil, Kim Sun-hwa |
| Original network: | Korean Broadcasting System |
| Original release: | 19 January 2004 – 9 March 2004 |
| No. of episodes: | 16 |
| Source: | KBS |
