How to Fail in Business With All Kinds of Help

Darrin has a hard time with an eccentric client named Madame Marushka, whom he thinks is Endora. Because of his faulty knowledge, he loses the account. When he learns that Endora did not mess with him, he apologizes to Madame Marushka and still doesn't get the account. It's up to Samantha to win her over using magic.