Ross and Rachel disagree over who came onto whom when they hooked up. He wants to prove it and accidentally reveals that he has the encounter on videotape. Monica and Chandler meet another couple while on their honeymoon.

Monica and Chandler are throwing a Halloween Party. At the party Phoebe runs into her sister's fiance, Eric, and finds herself attracted to him. Ross and Chandler arm wrestle. Rachel asks if she can be the person who hands out candy to the trick-or-treaters, claiming 'the strongest maternal instincts', only to find out she isn't as maternal as she thought.