The main characters were in the sixth grade and eleven years old when the series began in Fall of 1993. They should have graduated from high school, therefore, in the year 2000. Instead, two years were missing from their high school careers and the writers had them graduate in 1998. When season 2 began, they were in 7th grade and this was referenced by head bully and repeating senior Harley Kiner. He was known for especially picking on seventh graders and kept reminding Cory of that fact throughout the second season. Somewhere between season's 3 and 4 their year in school became hazy between them being in 8th grade and freshmen in high school. See more
[John Turner is in a coma
John, how could you be in here? How could you screw up on your bike? I have never seen you screw up on anything. I'm the screw-up, remember? C'mon you remember... Don't do this to me, John. I don't do alone real good... I know you're in there but it's like you're not really here. You're not talking but I know you're here. So I'm just gonna talk, you can listen.
John, even when I was at the Centre, it was all the things you taught me that made me wonder if it was...