Okay, found it. This is the puzzle where you have to stand on Meia's head and let her carry you across a gap.
Here's the part where she's carrying you:
And this is what she originally said when she dropped you off on the other side:
We literally got calls from almost all the reviewers cracking up and saying "are you REALLY shipping with that in?" I was happy because I knew they actually were PLAYING the game they were reviewing to the end (becoming a rarity, even back then). We intended to leave it, but SCEA made us take it out. Only time that ever happened (besides the other exchange in this same game that was axed at the same time).