Looks like double trouble! When Serena popped in during the second season of Bewitched, audiences met Samantha’s lookalike brunette cousin, and quickly discovered that the resemblance ended there. While Samantha dreamed of a normal suburban life, free-spirited Serena delighted in magic, chaos, and commotion, happily brewing up trouble and leaving Samantha to clean up the mess that bubbled over. Elizabeth Montgomery made both witches unforgettable, but which cousin gets your vote?