Mike hears about buried treasure at the end of the rainbow from Trollee and abandons his promise to help with Squirt's rainbow party. But when the treasure turns out to be a turnip, he has to do it right to save Squirt's day. / Mike wants to win a tournament but he needs another knight to beat - and elects Trollee! But Trollee doesn't know how to be a knight and gets upset. Mike has to learn that playing fair is more important than winning.