1the9 is getting ready to make their debut! On March 11, the boy band unveiled their official logo, as well as teaser images for their 'Wonderland' debut. The logo is a simple cube-shaped image that features both the numbers '1' and '9', and in the image teasers, all nine members can be seen showing off their own individual colors to the camera.
| Created By | ||
|---|---|---|
| Status | Returning Series | |
| Original Name | 원더랜드 | |
| First Air Date | March 26, 2019 | |
| Last Air Date | April 16, 2019 | |
| Seasons | 1 | |
| Episodes | 4 | |
| Episode Runtime | 0min | |
| Language | Korean | |
| Original Language | English | |
| Production Countries | — | |
| Production Companies | ||
| Networks | MBC | |