Desc: Khách Sạn Huyền Bí 4: Ma Cà Rồng Biến Hình: Directed by Derek Drymon, Jennifer Kluska. With Andy Samberg, Selena Gomez, Kathryn Hahn, Jim Gaffigan. After one experiment, Johnny turns into a monster and everyone else becomes human. Now it has to be seen whether they will be able to reverse this experiment.