2014年上映，无执导，由约翰尼·诺克斯维尔等主演的蠢蛋搞怪秀4.5：坏外公在美国发行，豆瓣评分和口碑都很不错，蠢蛋搞怪秀4.5：坏外公手机在线观看等资源均是网络收集而来。《蠢蛋搞怪秀4.5：坏外公》HD1280/HD1080p/BD720P/BD1080P/百度云蓝光高清版/在线观看。
Bad Grandpa .5 gives you a whole new perspective on the world of Irving Zisman with bonus scenes and pranks also featuring Spike Jonze as Gloria and Catherine Keener as Irvings wife Ellie, plus a look at the evolution of Johnny Knoxvilles naughty alter-ego, the makeup effects,
