Headscratchers / The Lion King Adventures

• How come Simba wasn't affected by Usaliti's powers in All Alone? He should have been sent away into the Dark Places with the rest of the kingdom. It's never explained how he managed to prevent or become immune to it. What happened?
• What happened to Shenzi and Banzai after Series Three? No mention of them is made again after Will You Marry Me? They just disappear...
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