Pandora Spocks

 was the pseudonym Elizabeth Montgomery employed when she played Samantha's cousin, Serena. The name is a play on "Pandora's Box" from Ancient Greek religion.

Although Serena's first appearance was in the second season episode, "And Then There Were Three", she was not credited as Pandora Spocks until the sixth season episode, "Serena Stops the Show".

Pandora Spocks

 * A Chance on Love
 * The Corsican Cousins
 * Darrin Goes Ape
 * Darrin on a Pedestal
 * The Generation Zap
 * The Return of Darrin the Bold
 * Samantha and the Loch Ness Monster
 * Samantha and the Troll
 * Samantha's Hot Bedwarmer
 * Samantha's Psychic Pslip
 * Serena Stops the Show

Uncredited

 * And Then There Were Three
 * Cousin Serena Strikes Again (Part 1)
 * Cousin Serena Strikes Again (Part 2)
 * Double, Double, Toil and Trouble
 * Hippie, Hippie, Hooray
 * It's So Nice to Have a Spouse Around the House
 * Marriage, Witches' Style
 * Mrs. Stephens, Where Are You?
 * Samantha Goes South for a Spell
 * Samantha's Power Failure
 * Serena's Richcraft
 * Serena's Youth Pill
 * That Was No Chick, That Was My Wife