watch 01:38 The Loop (TV) Do you like this video? The Substitute is a reality television program that premiered on Nickelodeon on April 1, 2019. The show features celebrities going undercover to prank unsuspecting students of different schools. "Gee, this is harder than I thought."This article is a stub. You can help Nickipedia by expanding it. Retrieved from "https://nickelodeon.fandom.com/wiki/The_Substitute?oldid=268756" Categories: Stubs Current shows Live-action shows Shows 2010s premieres Community content is available under CC-BY-SA unless otherwise noted.