Zelda has a dream about Tim the Witch Smeller, a revenge-seeking witch hunter! Later, Tim comes to Greendale and accidently kidnaps Harvey!

After salem eats the mouse for Sabrina's science project Sabrina turns him into a mouse so that he can be their lab rat for the science fair, but nasa thinks he's some kind of super-intelligent rat but they want to launch him into space!

Sabrina wants to improve Harvey's dancing by giving him some magic shoes. But then she comes to find out that Sabrina got the shoes from a dancing wizard. Now the shoes will never let Harvey stop dancin.

Sabrina enters Salem in a cat contest and Harvey enters his cat in a contest. When Harvey's cat wins Salem meets up with that cat and finds out that she's his lost lover. Suddenly they renew their love lives and start dating again but Sabrina overhears her and says that she plans to marry Salem so she can turn back into a witch again!