"Leave the World Behind" is a disappointing film that fails to deliver on its promising premise. Despite the intriguing setup of a family encountering mysterious strangers during a vacation, the movie quickly devolves into a slow-paced and meandering narrative that ultimately leads nowhere. The characters lack depth, making it difficult to invest in their struggles, and the plot fails to build tension or provide satisfying resolution. With its sluggish pacing and lackluster execution, "Leave the World Behind" ultimately feels like a wasted opportunity, leaving viewers frustrated and underwhelmed.