| Created By | ||
|---|---|---|
| Status | Returning Series | |
| Original Name | BT21 Universe | |
| First Air Date | October 16, 2017 | |
| Last Air Date | August 20, 2020 | |
| Seasons | 3 | |
| Episodes | 34 | |
| Episode Runtime | 10min | |
| Language | Korean | |
| Original Language | Korean | |
| Production Countries | South Korea | |
| Production Companies | ||
| Networks | YouTube | |