This is pretty much going to be episode tags and one shots for all the seasons I've seen. Starting with this little slice from Mystic Force.

He was dizzy. The master's power surged around him, he tried to pull away, but he didn't know why he was trying to fight his master.

No, I cannot... they need me to stay strong ...

But who? Who needed him to be strong?

Master's power swirled around him. The Master. Yes, he would be strong for him.

"What is your bidding my Master?" He knelt, the Master approved, power no longer dizzying.

Whatever was wrong, it was unimportant, he ignored the feeling of discomfort that kneeling to his Master brought, there were more important things to do.