欢乐树的朋友们是美国一部暴力血腥的动画片，主要讲述了可爱的小动物们快乐地在森林里以各种各样的方式死去。

When a Sumatran rat-monkey bites Lionel Cosgrove's mother, she's transformed into a zombie and begins killing (and transforming) the entire town while Lionel races to keep things under control.

Each year the population of sleepy Lake Victoria, Arizona explodes from 5,000 to 50,000 residents for the annual Spring Break celebration. But then, an earthquake opens an underwater chasm, releasing an enormous swarm of ancient Piranha that have been dormant for thousands of years, now with a taste for human flesh. This year, there's something more to worry about than the usual hangovers and complaints from locals, a new type of terror is about to be cut loose on Lake Victoria.

1981 film by Sam Raimi

Emily Johnson, her boyfriend Bobby and their friends Clare and Jude are recent college grads driving cross-country, taking a last vacation together before they face the "real" world. An accident leaves them hurt and stranded on a lonely Louisiana road. When the ambulance arrives, it whisks them to Mercy Hospital.