Acting
- 2024Hit Song ChampionshipGuest1 ep.
- 2023Jae Joong and Friends2 ep.
- 2023MONSTOP Travel Agencyself (Lee Sung Jong)1 ep.
- 2019Player 71 ep.
- 2018University HospitalWoo Hyun Woo6 ep.
- 2018Sales King TVSelf12 ep.
- 2017Master KeySelf1 ep.
- 2015Showtime INFINITE1 ep.
- 2015Mystery Music Show: King of Mask SingerSelf - Panelist1 ep.
- 2014디스 이즈 인피니트1 ep.
- 2013After School ClubSelf3 ep.
- 2012인피니트 서열왕1 ep.
- 2011막이래쇼: 무작정탐험대1 ep.
- 2010Infinite! You're My Oppa1 ep.
Guest appearances
- 2025Mystery Music Show: King of Mask SingerSelf - Panelist1 ep.
- 2023Jae Joong and Friends2 ep.
- 2024Hit Song ChampionshipGuest1 ep.
- 2023MONSTOP Travel Agencyself (Lee Sung Jong)1 ep.
- 2019Player 71 ep.
- 2019Amazing SaturdaySelf1 ep.
- 2017Master KeySelf1 ep.
- 2016Men on a MissionSelf1 ep.
- 2014After School ClubSelf3 ep.
- 2016Law of the Jungle4 ep.
- 2013Infinite ChallengeSelf1 ep.
- 2011Weekly IdolSelf1 ep.
Also known as: 이성종 · 성종 · 인피니트 · Infinite · Lee Sung-jong