Knock Knock Ghost (2015)

S5E6 When Life Gives You Lemon Bars

Cooper's wealthy friends from the poker circuit arrive in Montecito for a weekend of high-stakes games. In an effort to learn more about Sam’s job, Cooper decides to accompany her, inadvertently causing one of her clients to leave in fear. Meanwhile, Piper takes it upon herself to create a spooky atmosphere, showcasing an array of Halloween costumes to frighten her friends.