The Curious (1986)

Tells the story of three brothers who are commissioned by their father to buy a race horse. The father thinks that his sons are studying in Istanbul, but they are in fact musicians.

During a rainy day, and while their mother is out, Conrad and Sally, and their pet fish, are visited by the mischievous Cat in the Hat. Fun soon turns to mayhem, and the siblings must figure out how to rid themselves of the maniacal Cat.

Exceptionally ambitious high schooler Matthew has aspirations for a career in politics when he falls in love with his gorgeous 19-year-old neighbor, Danielle. But Matthew's bright future is jeopardized when he finds Danielle was once a porn star. As Danielle's past catches up with her, Matthew's love for her forces him to re-evaluate his goals.