Audio problem: After the donut delivery guy asks Carl why all the donuts are piling up, Carl responds with Lenny's voice.
Audio problem: When they are trying to escape Koopa and the little caveman speaks, then Luigi answers him, he has the Princess' voice.
Audio problem: In the opening title sequence towards the end, Link says "For you, Princess, anything." After he says this, he instantly opens his mouth again in a continued talking motion. But he is not saying anything. In a cartoon such as this, especially from this era, they wouldn't go through the trouble of animating just a breath after a speaking line, or even just a smile like that. It is extra animation for speaking that is not happening. (00:00:25)
Onna no koi wa snesouyo! Kakutou shintaisou de iza shoubu - S1-E12
Audio problem: In the English dub, after thwarting the plot of the tacks-loaded handshake, the sentence Akane pronounces before getting to the locker room goes too long, so she is talking with the mouth shut (the Japanese original has the phrase entirely offscreen). (00:16:20)