3 ms·Season 19 is where PC Principal gets introduced. https://youtu.be/bpQj4fCG8VI https://youtu.be/bpQj4fCG8VIby goatlover 4y agoSeason 19 is where PC Principal gets introduced. https://youtu.be/bpQj4fCG8VI https://youtu.be/bpQj4fCG8VI