To impress a beautiful girl, Harold Kelp, the grandson of professor Julius Kelp, who created a potion to transform his personality, gets his hands on his grandfather's secret elixir and unleashes his destructive alter ego, Jack.
Production companies: Kaleidoscope TWC, Rainmaker Entertainment, The Weinstein Company, Mainframe Entertainment
Production countries: Canada, United States of America
Certificate:
PG
(Some material may not be suitable for children under 10. These films may contain some mild language, crude/suggestive humor, scary moments and/or violence. No drug content is present. There are a few exceptions to this rule. A few racial insults may also be heard.)
CinePops US / International 
CinePops Spain 
CinePops France 
CinePops Italy 
CinePops România 
CinePops India 
