In "Holidays of Future Passed", Nelson is shown to be in love with Lisa Simpson. ... Also, Lisa says to Bart, "Well, someone calls someone.", when asked, "Nelson calls you?", implying that she calls him, rather than he calls her.

Does Lisa marry Nelson?

Although she dates Nelson later in her adulthood at the end of Season 27's "Barthood," "Holidays of Futures Passed" and its sequel, Season 25's "Days of Future Future," reveal that Lisa eventually married Milhouse and had a daughter, Zia. However, even in this period, Nelson remains a part of their lives.

Who Does Lisa Simpson have a crush on?

The episode sees Lisa develop a crush on Nelson Muntz. When they start dating and Lisa is unable to reform him, she ends their relationship.