In "The Marge-ian Chronicles" (Season 27, Episode 16), the Simpson family faces a crisis when Lisa joins a one-way mission to colonize Mars, prompting Marge to sign up to stop her. Although the mission is revealed to be a corporate sham, a future segment shows Marge and Lisa living on Mars in 2051. For a detailed plot summary, visit Wikipedia . The Marge-ian Chronicles - Википедия