Director Genndy Tartakovsky is returning for the film Hotel Transylvania II. This film is the sequel to the 2012 film Hotel Transylvania, with its writer, Robert Smigel. 7 years later, Mavis and Johnny have a son, Dennis, whose lack of any vampire abilities worries his grandfather Dracula. When Mavis and Johnny go to visit Johnny’s parents, Dracula and his friends Frank, Murray, Wayne and Griffin to put Dennis through a "monster-in-training" boot camp. However, an unexpected visit from Dracula's old-school human-hating father, Vlad, soon turns things upside-down..