Cassandra is the best at everything at both Greendale High School and at the Witch Academy. She often taunts Sabrina about her victories but when a school fundfraiser begins Sabrina decides to prove she is the best at that by selling the most school cookies. Cassandra also sells cookies for the school fundraiser and casts a spell on Sabrina's cookies to taste horrible and ruin things for her. Thanks to some help from Salem Sabrina finally sells all her cookies and gets rid of the spell Cassandra placed on the cookies. Sabrina earns enough money for the school, beating Casandra and proving that she is the best at something.

When spiteful Cassandra starts to spread harmful rumors, Sabrina goes to the rumor mill in the Netherworld to starts some rumors about her, but she only frees some monsters who are gossip incarnate that try to take over Greendale.