Susie worries she might have to move, when her father's boss, the creator the "Dummi Bears" animated series comes over to dinner; Angelica makes Phil and Lil think only one of them is their parents' favorite child.
After a trip to the circus, Angelica stages her own big top, using the rugrats as her three-ring acts.Angelica, informed that babies come from stork eggs, passes this on to the rugrats, who find a crow's egg and try to hatch a baby brother for Tommy.
Angelica puts "vanishing cream" on Tommy and Chuckie and pretends she can't see them in order to get them to sneak desserts for her.After yet another wild adventure, Chuckie decides that Tommy plays too rough.
When Susie's teenage sister Alisa baby-sits Susie and Tommy for the first time, Tommy and Susie suspect there are monsters loose in the house.Grandpa tells Angelica and Tommy about Stu and Drew's babyhood.
When the "Reptar 2010" videotape breaks, the rugrats each supply their own ending to the story, describing a Reptar that resembles their own characters. / Stu, trying to break through his "inventor's block', gets a job at Consolidated Lard.