2x37 - The Smurfs

Fascinated by the talkative Blossom, Timid dreams of becoming her friend. However, he doesn't dare speak to her. Desperate, he begs Papa Smurf for help. With a dose of his "unstuck-Smurf" potion, Timid is transformed into a Confident Smurf! But his new personality doesn't have the desired effect on Blossom.