The cartoon shared much of its incidental music with Captain N.
King Bowser Koopa:
Troopas, let's go! Let's mount an attack!
King Bowser Koopa: Ow! That hurt! Ooh, oww, ack!
In some episodes, one character's mouth will move but a different voice over is heard and say something different.
Lou Albano, in live-action, sings and dances to "Do The Mario" during the closing credits.
When shown in reruns after cancellation, DiC took out all the song covers played during the action/chase sequences, and replaced them with instrumentals of songs featured in The Adventures of Super Mario Bros. 3 (1990) and Super Mario World (1991), presumably because of music licensing issues for each of the songs. The original songs have been reinstated in the UK DVD volumes, but not on the Region 1 DVD releases, not even the box sets.