Now here was a pleasant surprise!
Had not gotten too worked up over the film not sure how they could work this up, but they did a great job. Beginning sequence gives you a feel of the old black and white Sci-Fi movies and stories. The beginning is a little slow as they try to set up the current emotional logistics between the children, and also the parent and older sibling. Once the fun starts though, watch out!
Awesome special effects and a lot of funny bits. Even a surprise or two.
Loads of fun! ***1/2