An adventure/comedy about kids on a family vacation who must fight off an attack by knee-high alien invaders with world-destroying ambitions. At the same time, the youngsters work hard to keep their parents in the dark about the battle upstairs.
http://www.imdb.com/title/tt0775552/synopsis

To watch the full movie online for free, follow the links:
Embedded Moviez
Novamov
Movshare

Check out the trailer


Thanks to apnatvHDt for the trailer location. Subscribe to his channel on youtube by following this link: http://www.youtube.com/user/apnatvHD