Kids on a family vacation must fight off an attack by knee-high alien invaders with world-destroying ambitions -- while the youngsters' parents remain clueless about the battle.Video game meets movie in this wacky science-fiction action film. When aliens from space invade the attic of a rented lake house, a boring summer vacation takes a turn for the unreal for six kids. Conflict abounds in the extended Pearson family, which includes Nana (Dora Roberts), two nerdy adult brothers (Kevin Nealon an .if your download do not automatically please press button beloww