Little Einsteins

The Song of the Unicorn (2x31)

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The team is at a museum, where they tell a story about a unicorn who is a great conductor. The animals initially do not know how to sing together, until the unicorn waves its baton to help them. Then, a mean queen who is envious of the unicorn puts a spell on him, turning him into a stone statue. The only way to break the spell is to make all the animals sing together, so it is up to the team to save the unicorn before all the leaves from the tree fall or the spell will become permanent.