Marge Simpson voice is performed by Julie Kavner, who also does the voices of Marge's mother Jacqueline and her sisters Patty and Selma. Kavner had been part of the regular cast of "The Tracey Ullman Show". Voices were needed for the shorts, so the producers decided to ask Kavner and fellow cast member Dan Castellaneta to voice Marge and Homer rather than hire more actors. Part of Kavner's contract says that she will never have to promote "The Simpsons" on video and she rarely performs Marge's voice in public because she believes it "destroys the illusion. People feel these are real people."
The Call of the Simpsons new RV, Homer takes his family on an excursion. Driving on remote back roads and ignoring Marge's suggestion to turn back on the main road, the Simpsons find themselves teetering over a precipice. The family escapes the RV before it plummets over the cliff, leaving themselves stranded in the wilderness. Homer and Bart set out for help, unaware that Maggie is tagging along, while Marge and Lisa stay behind. Separated from Homer and Bart, Maggie is soon adopted by a family of bears. Meanwhile, Homer and Bart plummet into a raging river where they lose their clothes, but hide their