Pre-Debut
- Under Nineteen - The survival show lasted for 14 episodes and Sungwon finished 7th making him part of 1THE9 (원더나인).
1THE9
- 마법 같아 (It's Like Magic)
- 1st MINI ALBUM 'XIX'
- Domino
- Spotlight
- 우리들의 이야기 (The Story)
- 2nd MINI ALBUM 'BLAH BLAH'
- 속삭여 (Blah)
- SHOWS
- Wonderland
- Ep. (1, 2, 3, 4)
- A to Z Behind (1, 2)
- Idol Radio
- Weekly Idol 190418
- Fact iN Star 191101
- Idol League 191111 (1, 2, 3, 4, 5)
- OTHERS
- Wonderlife (Ep. 1, 2, 3, 4, 5, 6, 7, 8, 9)
- NewsAde
- 1THE9 x Eating Show 190528
- Medley Dance Cover
- SoundCloud
apr 9 2020 ∞
apr 22 2020 +