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2. “Goin’ Down to South Park”. 1999. “South Park: The Complete Second Season.” Los Angeles: Paramount Home Entertainment, [2003]. DVD.
3. “HD Episodes – Mistakes and Differences”. 2016. “South Park Forums.” July 18. Accessed 5 November 2021. https://forums.southpark.cc.com/forum/viewtopic.php?f=10&t=92815
4. “Season 13 Premiere in HD”. 2009. “South Park Studios.” January 13. Accessed 5 November 2021. http://southpark.cc.com/blog/2009/01/13/season-13-premiere-in-hd
5. “Six Days to South Park – Day 6: 24 Hours ‘til Air”. 2008. “South Park: The Complete Twelfth Season.” Los Angeles: Paramount Home Entertainment, [2009]. DVD.