Dale pretends a pencil got stuck in his eye, causing the class to despair.
Chip and Dale get stuck in a machine and are threatened with blowtorch, rotating blades and lasers. Later in the movie, Chip is tied up in the same machine.
A snake character is seen shedding his skin.
Guns are shown but never used
A scene where a cartoon character gets cross-cut sliced, while having no effect on teens or adults might be a little shocking to young children. Or they may think it's funny... hard to tell.
Unlike Who Framed Roger Rabbit (1988). This film has many references of classic to 2022 for those who know of video games, cartoon/animated, anime, movies or TV shows.