《精灵旅社4：变身大冒险》是一部充满惊险刺激的动画电影，由詹妮弗·克鲁斯卡和德里克·德莱蒙联合执导，同时布赖恩·哈尔、安迪·萨姆伯格、赛琳娜·戈麦斯和吉姆·加菲根等众多优秀演员参与配音。该电影于2022年1月14日在美国网络上映，并于2022年4月3日在中国内地上映。

影片的故事发生在精灵旅社，原本和谐相处的精灵家族因一场意外而全部变身成人类，失去了之前的超能力。面对这突如其来的变故，精灵家族的成员们不得不想方设法寻求解决办法。在这关键时刻，德古拉和人类女婿约翰尼携手展开了一场冒险之旅，来寻找解救精灵家族的方法。

德古拉原本打算将旅社交给女儿梅维斯和约翰尼来管理，但他们之间的相处并不融洽。德古拉作为一个克制的怪物，不愿意接受改变，而约翰尼则热爱冒险，热情洋溢。由于担心梅维斯的失望，德古拉编造了一个关于不动产法的谎言，声称人类无法拥有以怪物为中心的度假旅社。为了解决这个问题，约翰尼决定寻求范海辛的帮助。

范海辛是一位科学家，手上有一条变形射线。在他的地下室实验室里，约翰尼进行了谨慎的试验，将一只豚鼠变成了猛龙，结果令约翰尼感到满意。为了解救精灵家族，约翰尼勇敢地接受了范海辛的改变，成为了一只帅气的猛龙。

在《精灵旅社4：变身大冒险》中，精灵家族面临着巨大的挑战和冒险，而德古拉和约翰尼的合作将成为他们成功的关键。

Hotel Transylvania: Transformation is an action-packed animated film co-directed by Jennifer Kruska and Derek Drymon, with voices from Brian Hale, Andy Samberg, Selena Gomez and Jim Gaffigan, among many others. The film will be released on the American network on January 14, 2022, and will be released in mainland China on April 3, 2022.

The story of the film takes place in the Elf Hotel. The originally harmonious elf family all turned into humans due to an accident and lost their previous superpowers. Faced with this sudden change, the members of the elf family had to find ways to find a solution. At this critical moment, Dracula and the human son-in-law Johnny embarked on an adventure together to find a way to save the elf family.

Dracula originally planned to hand over the hotel to his daughters Mavis and Johnny to manage, but they didn’t get along well. Dracula comes across as the restrained monster, unwilling to accept change, while Johnny is adventurous and passionate. Fearful of Mavis' disappointment, Dracula spins a lie about real estate law, claiming that humans can't own a monster-centric vacation hotel. In order to solve this problem, Johnny decided to seek the help of Van Helsing.

Van Helsing is a scientist with a deformation ray in his hand. In his basement lab, Johnny performs discreet experiments, turning a guinea pig into a raptor, with results that Johnny is happy with. In order to save the elf family, Johnny bravely accepted Van Helsing's changes and became a handsome raptor.

In "Hotel Transylvania 4: Transformation Adventure", the Elf family is facing great challenges and adventures, and the cooperation between Dracula and Johnny will be the key to their success.