Otto has a girlfriend who he plans to marry and Bart offers the Simpson house as a place to hold the nuptials. Becky, the would be bride, confesses to Marge that she doesn't like heavy metal, which is a problem when Otto hires "Cyanide," a Poison tribute band to play at their wedding. Becky moves in with the family and the "hip-female" influence she brings to the family begins to get on Marge's nerves. Selma and Patty convince Marge that Becky is out to get her; Marge overreacts and strikes first and winds up appearing before a sanity hearing. Declared insane, she goes "on the lam".
Peggy feels ashamed of her big feet until she meets Grant Trimble, who tells her that her feet are beautiful and even videotapes them. Soon Peggy's big feet are a hit on an internet fetish site, peggysfeet.com.
Mulder and Scully discover a genie in a rug who, after 500 years of granting wishes, has come to the conclusion that people are still as greedy and self-centered as they always have been, and she begins to corrupt the wishes she grants if they are not specific enough.
It's Mother's Day in the year 3000 and the robots celebrate the occasion by lavishing presents on Mom, who happens to be the beloved founder of Mom's Friendly Robot Company. When Mom enlists the robots in a revolution to take over the world and make her Queen for Mother's Day, she instructs the robots to turn against their human masters. Realizing that Mom seeks world domination, Professor Farnsworth's seductive moves are made to save the humans.