Lee Sung-jong Filmography
| 2018 | Amazing Saturday (TV Series) · as Self |
| 2015 | Men on a Mission (TV Series) · as Self |
| 2015 | The King of Mask Singer (TV Series) · as Self - Panelist |
| 2012 | Hidden Singer (TV Series) · as Self - Panelist |
| 2011 | Weekly Idol (TV Series) · as Self - Guest |
| 2010 | Idol Star Athletics Championships (TV Series) · as Self - Athlete |
| 2005 | Infinite Challenge (TV Series) · as Self |
| 2004 | M COUNTDOWN (TV Series) · as Self |
| 1998 | Music Bank (TV Series) · as Self |
| 1991 | Inkigayo (TV Series) · as Self - Performer |
| 2025 | |
| 2019 | Player 7 (TV Series) |
| 2018 | 팔아야 귀국 (TV Series) |
| 2017 | Master Key (TV Series) |
| 2015 | Showtime INFINITE (TV Series) |
| 2011 | Law of the Jungle (TV Series) |
| 2005 | Show! Music Core (TV Series) · as Performer |