A note to McG if he happens to read this comment - You should really try something other than the director's chair. The only good thing about this movie are the kids. But you can't just throw in cycles and kids and aliens and think you have another E.T. on your hands. The storyline is non-existent. [spoiler]It appears there is only one alien(and it's dog apparently) in the whole wide world who are doing overtime hunting the kids for no apparent reason. The alien kills everyone in its path but is just not able to kill the kids I don't know why. That would have ended the movie earlier and saved me some time.
Also, there seems to be just one scientist in NASA who can save the world, but it turns out that the procedure is so simple that the kids end up saving the day(fire up some generators, re-align a dish, and enter authorization codes to launch a missile).
There is a sequence where the kids enter a kitchen a-la the kitchen sequence in the Jurassic Park, but no, McG just does not have the vision, the budget, or the imagination to make anything interesting enough to watch.[/spoiler] Don't watch unless you have time to waste.