5 th ▁birth day ▁the ▁following ▁Wed nes day . ▁D rac ▁hang s ▁his ▁head ▁with ▁deep ▁gu ilt ▁after ▁M av is ▁tells ▁him ▁that ▁he ▁may ▁have ▁let ▁humans ▁into ▁the ▁hotel , ▁but ▁hasn ' t ▁let ▁them ▁into ▁his ▁heart . ▁ ▁M av is ▁inv ites ▁Vlad ▁( M el ▁Bro oks ), ▁her ▁grand father ▁and ▁D rac ' s ▁father , ▁to ▁Dennis ' ▁birth day ▁party . ▁As ▁Vlad ▁is ▁much ▁worse ▁than ▁he ▁was ▁when ▁it ▁comes ▁to ▁humans , ▁D rac ▁tells ▁Johnny ▁to ▁have ▁the ▁human ▁party - go ers ▁dis gu ise ▁themselves ▁as ▁mon sters . ▁Vlad ▁receives ▁the ▁inv itation ▁and ▁arriv es ▁with ▁his ▁mon str ous ▁bat - like ▁servant ▁B ela ▁( Rob ▁R ig gle ) ▁to ▁meet ▁his ▁great - grand son ▁for ▁the ▁first ▁time . ▁Me eting ▁him , ▁he ▁bel ieves ▁that ▁fear ▁will ▁cause ▁Dennis ' ▁f angs ▁to ▁spr out ▁and ▁poss esses ▁a ▁stage ▁perform er ▁dressed ▁as ▁Dennis ' ▁favorite ▁TV ▁mon ster ▁" K ak ie ▁the ▁C ake ▁Mon ster " ▁( Chr is ▁K attan ) ▁to ▁sc are ▁Dennis , ▁but ▁D rac ▁shield s ▁his ▁fright ened ▁grand son ▁at ▁the ▁last ▁moment , ▁breaks ▁Vlad ' s ▁hold ▁over ▁the ▁perform er , ▁and ▁ex poses ▁the ▁de ception ▁to ▁Vlad , ▁who ▁is ▁out rag ed ▁that ▁D rac ▁has ▁accepted ▁humans ▁as ▁guests ▁in ▁his ▁hotel ▁and ▁let