To help Ava overcome stage fright, Hedgehog takes Ava's violin into her own hands, while Oscar calls in for some reinforcements.

Oscar's fib about his last baby tooth alerts the Molar Mole Fraud Squad, and Hedgehog jumps to his defense at a kooky mole trial.

After making Oscar's tortilla towel dreams come true, he and Hedgehog find that running a business is harder than they thought.