Even puppies need trainers
Jessie's evil (and not entirely unattractive) stepbrother comes to town, intent on sexually harassing Lisa and one-upping preppy puppy Zack and his lover--er, trainer, Slater.

That's Ms. Chick to you
Or is it Mr. Chick? All we know is, in this episode, Jessie claims that if she were a guy, she'd punch her evil stepbrother. And then...she punches him. Yeah, you don't have to be a mathematician to add that one up. Even the math-challenged Lisa Turtle could figure it out.