Season 4 (1997-1998)br br Written by: Donna Coonerbr Directed by: Steven Feldmanbr Theme: Individual Differencesbr br Characters: Barneybr Ashleybr Curtisbr Jeffbr Kristenbr Stella the Storytellerbr Scooter McNuttybr Miss Etta Kettebr Tiger the Catbr br Plot: Ashley, Kristen, and Curtis are trying to help Jeff think of a name for his new kitten when they hear strange noises from the classroom. Barney appears and together they become detectives to solve the case of the mysterious visitor. Along the way they learn about their individual differences. Stella arrives to tell the story of "The City Mouse and the Country Mouse." Scooter keeps popping in to give his opinion about who the mysterious visitor might be. The mystery is solved when Barney and the children discover Jeff's new cat is causing the mischief. They decide on a perfect name for the cat.