Each series episodes is listed in order of airdate. The names "Princess Toadstool" and "King Koopa" are primarily used prior to the release of Super Mario 64, which define them as "Princess Peach" and "Bowser" respectively.
Each episode sequence is arranged by airdate. Prior to Super Mario 64's release, characters were typically called "Toadstool Princess" and "Koopa King," equating to "Peach" and "Bowser."