Didi wanted Stu to clean up the living room for Boris & Minka's visit, which includes putting the toys away. Sarcastically, Stu says that he would put the toys, and the babies, into the crawlspace. Angelica interprets this by banishing the Rugrats to the crawl space, where they could play there, while Angelica has the living room all to herself, to the displeasure of Susie. Meanwhile, Stu invents an automatic plan (thetvdb.com)