Maggie Simpson Maggie's occasional speaking parts and other vocalisations are currently provided by Nancy Cartwright, but she has also been voiced by guest stars James Earl Jones, Elizabeth Taylor and Jodie Foster, and by series regulars Yeardley Smith and Harry Shearer. Maggie has appeared in various media relating to "The Simpsons" – including video games, "The Simpsons Movie", "The Simpsons" Ride, commercials and comic books – and has inspired an entire line of merchandise. "The Simpsons" uses a floating timeline in which the characters do not physically age, and as such the show is assumed to be set in the current year.
Media in The Simpsons "The Simpsons" is in a unique place, and when former producers/writers move to different networks, they are told that "We would never have "The Simpsons" on our network". On this issue Robert Sloane concludes in "Leaving Springfield" that "In sum, the show seems to defy certain industry practices." The episode "The Simpsons Spin-Off Showcase" was a satire over unoriginal, poor television writing and references and parodies many TV shows. The episode features three spin-off ideas for "The Simpsons" show, which also functions as a critique of spin-offs in general. Troy McClure introduces the three spin-offs as a host of the