Overview
A short Chuseok special drama about the social matters of teenage parenting and adoption. Woo-Seon, a strong minded woman with an even stronger ego and John Harrison who was adopted to Australia when he was young.
Seasons & Episodes

Season 1
Key Information
Cast & Crew

Choi Yoon-young
Woo Seon

Lee Sang-yeob
John Harrison

Jeon Min-Joon
Han Jae-soo

Goo Jae-yee
So Yoo-ri

Kim Yong-rim
Seo's grandmother

Maeng Se-chang
Bo-hyeon

Kim Hee-jung
Ja-yoo

Kim Moon-joon
Bo Hyeon-boo

Lee Hyun-kyoung
Bo-hyeon's mother

Kim Jin-soo
Ja-yoo's father

Sam Hammington
Sam

Jung Dong-ha
Jung Dong-ha
Frequently Asked Questions
A short Chuseok special drama about the social matters of teenage parenting and adoption. Woo-Seon, a strong minded woman with an even stronger ego and John Harrison who was adopted...
The Greatest Thing in the World has 1 season with 2 episodes.
The Greatest Thing in the World premiered on September 19, 2013.
No, The Greatest Thing in the World has ended. The final episode aired on September 19, 2013.
The Greatest Thing in the World originally aired on MBC. Check your local streaming services for availability.
The Greatest Thing in the World has a rating of 4.0/10 based on user reviews.
The Greatest Thing in the World is classified as Family.