[youtube=http://www.youtube.com/watch?v=unIJ8zE8fWk] Orphan Black has been a fast-paced, sometimes nerve-wracking journey, right to the end of its exciting first season finale, which I’m pretty sure will keep the audience’s adrenaline pumping until the show’s return next spring. Amelia, revealed to have given birth to twins Sarah and Helena, meets a restrained …