The Grand Finale
- Episode aired May 27, 2022
- 23m
It's the final showdown in the epic season finale of Nintendo High. Mario, Luigi, and the heroes of the school face off against Bowser and the villains.It's the final showdown in the epic season finale of Nintendo High. Mario, Luigi, and the heroes of the school face off against Bowser and the villains.It's the final showdown in the epic season finale of Nintendo High. Mario, Luigi, and the heroes of the school face off against Bowser and the villains.