『年级老师的滋味4』介绍:AboynamedHarleyandhisfamily(brotherAustin,motherBeth,andfatherMitch)attendsatapingofTheBananaSplitsTVshow,whichissupposedtobeafun-filledbirthdayforyoungHarleyandbusinessasusualforRebecca,theproduceroftheseries.Butthingstakeanunexpectedturn--andthebodycountquicklyrises.CanHarley,hismomandtheirnewpalssafelyescape?