Although this episode was the pilot episode for the series, it did not air until late in the season.
A prequel episode showing how Zach met Kelly and started his rivalry with Slater.
Mario Lopez implicitly confirmed Dustin Diamond's public and written statements that the rest of the main cast did not get along with or like him in 2015 when he said in an interview that "I was the only one of the main cast who was cool (with Diamond)," and contradicted public comments from Mark-Paul Gosselaar and Tiffani Thiessen which had denied there had been mistreatment by Diamond of the leading actors.