BT21 ORIGINAL STORY EP.11 – BT21’s PRANK CAM Episode 11 of BT21 Original Story was released on YouTube. Release Date: August 31, 2021 KST Source Related Pages BT21 ORIGINAL STORY EP.10 – TATA Experiencing... BT21 ORIGINAL STORY EP.09 – YouTube Challenge:... BT21 UNIVERSE 3 COMPILATION