Performances από MCountdown στις 04.04.19. (Comeback: BOL4, Block B BASTARZ)
Comeback Stages:
1. BOL4 - Mermaid & Bom
2. Block B BASTARZ - Help me
Υπόλοιπα:
1. 1TEAM - Vibe
2. TXT - Crown
3. EVERGLOW - Bon bon chocolat
4. Stray Kids - Miroh
5. KARD - Bomb bomb
6. MAMAMOO - Um Oh Ah Yeah & gogobebe & Mr Ambigious