Transcription: Look, Stan, do you really know what a period is? Yeah, Cartman told us. Stan, let me sing you a little song about the menstrual cycle. I think it might clear things up for you. Okay. Ooh, baby, yeah, baby, ooh, baby. Yeah, baby, yeah, baby, nah, baby. Ooh, yes, yes, yes, baby. Yeah, yeah, yeah. Uh-huh, baby. Ah! Ah! Ah, nah, baby. Ew, baby, nah, nah. Uh, nah, I'm alright, I'm cool, it's okay. Watch out for the bench bed, baby. Look out, now, it's... I tell you what. Uh, how about, uh... Why don't I call you next week? And that's my song about the menstrual cycle, Stan. Did that clear things up ...