The Birthday Bootlegger.Peter is put in charge of extravagant monthly celebrations at the brewery in order to celebrate office birthdays including the musical number "June is Busting Out All Over" with Leslie Uggams, but these are soon quelled by the new manager Preston Lloyd (Peter Macon) who favors productivity above all else. Peter retaliates by throwing speakeasy-type secret parties inside an overlooked conference room. During one celebration, he borrows Marty McFly's amp and the noise gives him away due to it being near Preston's office where the sound knocks everything off his wall. This causes Preston to fire him...