Johnny Knoxville returns as ' Bad Grandpa 'in a new film from the producers of Jackass. This time wearing the uniform of the skantaliari grandfather with whom he made several delightful doodles in Jackass, and with the help of a pretty small in the role of his grandson, the ' bad ' Granddad invades stores, Weddings, funerals, and other family events, making everything upside down. The film titled 'Jackass Presents: Bad Grandpa 'is expected in cinemas on October 25.