The 2 season of BT21 UNIVERSE was broadcast on YouTube from mercredi 3 avril 2019 to mardi 17 mars 2020. It consists of 11 episodes, the first one is called "BT21 UNIVERSE 2 EP.01 - THE PAST 1" and the last one "BT21 UNIVERSE 2 Official Recap".
The 'BT21 UNIVERSE' features BTS members gathered around, using their imaginations to discuss the new characters and stories of BT21 – a new character IP created in close collaboration between LINE FRIENDS and BTS.