Housewife Ha No-ra (Choi Ji-woo) decides to return to college at the age of 38 after successfully raising her now 20-year-old son Kim Min-soo (Kim Min-jae).
| Also Known As: | Twenty Again, Second Time Twenty Years Old |
| Directed by: | Kim Hyung-shik |
| Written by: | So Hyun-kyung |
| Starring: | Choi Ji-woo, Lee Sang-yoon, Choi Won-young, Kim Min-jae, Son Na-eun |
| Extended Cast: | Ha Seung-ri, Kim Hee-chan, Kang Tae-oh, Im Ji-hyun, Ban Hyo-jung, Choi Yoon-so, Park Hyo-joo, No Young-hak, Ji Ki-joo, Seo Han-gyul, Lee Yoo-jin, Lee Jae-joon, Ji Ha-yoon, Yoo Joon-hong, Han Sung-yun, Byun Jun-seok, Kim Kang-hyun, Jung Dong-kyu, Kim Tae-yoon, Yoon Hee-won, Lee Cho-ah, Kwon Hae-hyo, Kim Byung-choon, Lee Ki Chan |
| Original network: | tvN |
| Original release: | 28 August 2015 –17 October 2015 |
| No. of episodes: | 16 |
| Running Time: | 60 minutes |
| Executive producer(s): | Lee Jin-seok, Bae Yong-byung |
| Production Company(s): | JS Pictures, A Story |
| Source: | tvN |
