So that he can watch his sci-fi movie marathon in peace, and keep an eye on the Rugrats at the same time, Stu installs surveillance cameras all through the house. Then, Stu falls asleep. As he sleeps, Dil plays with the remote, changing the channels back and forth between the home's surveillance system and a movie about an alien invasion. This, of course, leads the Rugrats to believe that they are targeted for an "alien inflation". Meanwhile, Didi studies for an important exam for her college course. (thetvdb.com)