Clarissa Explains It All

Season 4, Episode 2

Episode Title: ESP R Us

Air Date: 1993-03-27

Overview:

Olivia believes that she has psychic powers, but Clarissa doesn't believe it. After Olivia takes an ESP test and unknowningly committs herself and Clarissa to receiving psychic-related items in the mail, they have to figure out how to pay for the merchandise.