Margaret Nelson was a fourth-grade teacher at South Park Elementary after Herbert Garrison left to run for President. She first appeared in the Season Nineteen episode, "The City Part of Town" and died from COVID-19 in the Vaccination Special.
Margaret wore a skirt, usually blue or black, a magenta v-neck shirt, and a white undershirt. She also wore black, flat shoes and a small wristwatch. She had black hair, which she styles in a bun, and black eyelashes. She had the stereotypical characteristics of Asians seen in the series such as small eyes.
- "The City Part of Town" - First speaking role as the Fourth Grade teacher.
- "Truth and Advertising" - Second speaking role.
- "Skank Hunt" - Seen speaking with police officers in the school hallway.
- "Douche and a Danish" - Seen trying to teach the class when Mr. Garrison barges in and tries to teach.
- "Hummels & Heroin" - Oversees Marcus Preston's presentation in the school cafeteria.
- "SUPER HARD PCness" - Attends school staff meetings.
- "Dead Kids" - Hands over math exams to the students and explains them again the addition of fractions and later seen being interviewed by police about one of the school shootings.
- "A Boy And A Priest" - Seen in church.
- "The Problem with a Poo" - Watches Mr. Hankey leave South Park.
- "Buddha Box" - Pulls the Buddha Box off Eric Cartman's head.
- "Bike Parade" - Seen watching the bike parade.
- "Shots!!!" - Seen at the PTA meeting.
- "Let Them Eat Goo" - Ate a Tegridy Burger in the middle of the class.
- "Tegridy Farms Halloween Special" - Seen at the school assembly.
- "Turd Burglars" - Seen at the women's meeting at Park County Community Center.
- "The Pandemic Special" - Taught the class via online meetings.
- "South ParQ Vaccination Special" - She dies from COVID before getting the vaccine, her first name is revealed as "Margaret" in this episode.
- Mrs. Nelson was the third teacher to teach the same 4th Grade class, with the first being Ms. Choksondik and the second, Mr. Garrison.
- Her birthday was revealed to be June 18, 1985, during her funeral in "South ParQ Vaccination Special".
- ""South Park" South ParQ Vaccination Special (TV Episode 2021)". IMDb.com.
Liza Nelson | Margaret Nelson
|South Park Elementary Staff|
|Coach Miles | Girls' Volleyball Coach | Herbert Garrison | Jose Venezuela | Mitchell | Mr. Derp | Mr. Garrett | Mr. Mackey | Mr. Meryl | Mr. Wyland | Mrs. Streibel | PC Principal | Pearl | Recess Supervisor | Richard Adler | Strong Woman|
|Jerome "Chef" McElroy | Mr. Conners | Ms. Choksondik | Miss. Claridge | Veronica Crabtree | Ms. Ellen | Nurse Gollum | Randy Marsh | Mrs. Nelson | Mr. Slave | Ms. Stevenson | Principal Victoria|