Party Down Season 1, Episode 6 entry you're looking for—often discussed online with the "aiff" tag referring to high-quality audio rips or file formats—is titled
The crew caters a lavish 16th birthday party for Taylor Stiltskin, the daughter of a notoriously foul-mouthed and powerful film producer, Leonard Stiltskin. The event takes place on a yacht (the Queen Mary ), but the "popular" kids boycott the party, leaving Taylor sulking in a stateroom with only "losers" in attendance. party down s01e06 aiff