Watch the official 'Bedtime Stories for Dennis' scene for Hotel Transylvania 3: Summer Vacation, an animation movie starring Adam Sandler, Andy Samberg and Selena Gomez. In theaters July 13, 2018. Dracula, Mavis, Johnny and the rest of the Drac Pack take a vacation on a luxury Monster Cruise Ship, where Dracula falls in love with the ship's captain, Ericka, who's secretly a descendant of Abraham Van Helsing, the notorious monster slayer. © Sony Pictures Releasing