"The Long-Lost Care Bears": Perfect and Polite Panda's Fisher King effect on their valley is probably a manifestation of the same magic that allows Care Bears to use their symbols to Care Bear Stare, create items, etc.
"The Bravest of the Brave": After their defeat at the climax, No Heart vows to show Dr. Fright what fear means, then chases him out of the room through a door that closes behind them. The Care Bears don't seem to mind, and we never do see Dr. Fright again, so what exactly did No Heart do with him?