Several large bugs are seen that may frighten younger children.
A water monster is seen for a minute. It may also frighten some.
A couple pop up's of large bugs.
One of the final scenes may be rather frightening to some. A lot of spidery things are seen, as well as one large one. A man gets dragged into a dark cave/hole by the large one, and you can hear him yelling as he gets sucked in.
A scene that involves an erupting volcano may be a little intense to younger viewers.