简介："口碑喜剧动画电影《茶啊二中》曝《二中中二日记》快乐曲，并创新制作超魔性MV，加之刘宇宁地道东北话演唱，形象刻画学生时代诙谐日常。A mad scientist grandfather invents a genetic transformation machine and his 4 year old grandson accidentally turns his body into that of a 30 year old man. Baby Bobby escapes and runs around town as his siblings try to catch him before their parents get back from vacation AND before the bad guys get to him first. The machine is worth a lot of money and they only have a day before the machine loses its capabilities to change baby bobby back.