▁boys ▁up . ▁She ▁goes ▁to ▁meet ▁Gary ' s ▁parents , ▁Al ▁and ▁Lucy , ▁who , ▁to ▁Gary ' s ▁embar rass ment , ▁are ▁shock ed ▁and ▁dis may ed ▁at ▁the ▁things ▁she ▁says ▁and ▁her ▁fran k ▁manner . ▁After ▁she ▁pull s ▁a ▁gun ▁on ▁them ▁( l ater ▁revealed ▁to ▁Gary ▁to ▁be ▁a ▁water ▁p istol ), ▁she ▁al ters ▁their ▁mem ories ▁so ▁that ▁Lucy ▁forget s ▁about ▁the ▁conflict ; ▁however , ▁Al ▁forget s ▁that ▁they ▁had ▁a ▁son ▁altogether . ▁At ▁the ▁D onn elly ▁house , ▁the ▁party ▁has ▁sp un ▁out ▁of ▁control ▁while ▁Gary ▁and ▁Wy att ▁take ▁refuge ▁in ▁the ▁bath room , ▁where ▁they ▁resolve ▁to ▁have ▁a ▁good ▁time , ▁despite ▁having ▁embar rass ed ▁themselves ▁in ▁front ▁of ▁Deb ▁and ▁H illy . ▁In ▁Wy att ' s ▁bed room , ▁Ian ▁and ▁Max ▁conv ince ▁Gary ▁and ▁Wy att ▁to ▁re create ▁the ▁events ▁that ▁created ▁Lisa , ▁but ▁it ▁fails . ▁Lisa ▁ch ides ▁them ▁over ▁their ▁mis use ▁of ▁the ▁magic ▁to ▁impress ▁their ▁tor ment ors . ▁She ▁also ▁explains ▁that ▁they ▁forgot ▁to ▁connect ▁the ▁doll ; ▁thus , ▁with ▁the ▁bare ▁but ▁live ▁electro des ▁rest ing ▁on ▁a ▁magazine ▁page ▁showing ▁a ▁Pers hing ▁II ▁medium - range ▁ball istic ▁miss ile , ▁a ▁real ▁miss ile ▁appears , ▁crash ing ▁through ▁the ▁house . ▁Meanwhile , ▁Wy att ' s ▁grand par ents ▁arrive ▁and ▁confront