Winx Club

Biker Chick Wedding Crashers (a.k.a. Back to Solaria) (3x19)

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Countess Cassandra announces plans to marry Stella's father, prompting Stella and the Winx Club to crash the wedding. The boys help them ride their bikes so they can act like a bike gang, due to the tight security. In the end, Stella reverses the effects of Cassandra's magic on her father.