I would say by Season 6
-Pip and Mr. Hat are retired as characters
-Ms. Choksondik is gone forever
-Ms. Crabtree barely appears by now
-Chef’s prominence as a character starts slowing down
-Terrence & Philip are barely seen from here on
I would say by Season 6
-Pip and Mr. Hat are retired as characters
-Ms. Choksondik is gone forever
-Ms. Crabtree barely appears by now
-Chef’s prominence as a character starts slowing down
-Terrence & Philip are barely seen from here on
End of Season 5, when Kenny died “permanently” then Butters got promoted to main cast