Sabrina conjures up an adorable pet but Salem discovers that she has actually discovered an evil warlock who is trying to drain her of her powers. Unfortunately, Sabrina does not believe Salem which leads to further complications.

Sabrina and Cassandra create magical doubles of themselves so they are able to go to a party while their doubles stay for avolleyball practice. The doubles, however, are the exact opposites of the real Cassandra and Sabrina. The former is sweet and nice, but the latter is a mean and nasty girl who causes no end of trouble.

Both Sabrina and Cassandra turn their pets into dogs in order to compete against each other at the Greendale Dog Show.

When Salem accidentally shrinks her clothes in the wash, Sabrina gets worried that she is putting on weight, and she goes on a starvation diet to be thin enough for School Picture Day.

Sabrina plans to hold a party while her aunts are away, but they give her a baby-sitter, so she casts a spell on the sitter in hopes of making her a teenager for the party, but it only turns her into a baby.

Sabrina takes what she thinks is a rock from the Netherworld, but it turns out to be an egg which hatches into a baby dragon that steals Cassandra's necklace, and Martiza gets blamed for it.

Sabrina and Cassandra try to forget their differences as they search the Netherworld for a rare herb.

When she thinks that Cassandra is cheating to win a TV talent show, Sabrina uses a spell to improve her chances, but it only removes rules and ethics from the world.

When Sabrina promises a friend that she would go to a rock concert with her and her aunts that she would go to a Netherworld spa with them on the same day, she buys a magic watch that can turn back time so that she can do both. Using the watch too often, however, ages her, and she becomes an old woman overnight.

A magic mirror sends Sabrina and Cassandra to an alternate universe where not only do they loss their powers, but all the mortals their are witches and warlocks, and all the witches are mortals and treated like dirt.

Salem finds out that an evil warlock named Toc-Toc has been released from 75 years of suspeneded animation, being blamed for a crime Salem committed, and is out for revenge on him. Being the coward he is, he asks Sabrina to disguise him as a teenager and let him hide out at school. Unfortunately, Toc-Toc also changes into a teen and tracks Salem down. Salem has to own up to his mistakes and confront Toc-Toc.

Cassandra unwittingly helps a disgruntled witch take over the Netherworld by polluting it and turning all the witches there to stone.

The fairy Puck takes advantage of Sabrina and Cassaindra's bickering to become the star of the school's production of ""A Midsummer Night's Dream.""