Complex sentence: Anakin first appears in the prequel trilogy in The Phantom Menace ", which takes place 32 years before" Star Wars', as a nine-year-old slave living on the planet Tatooine.
Split into simpler sentences: Anakin first appears in the prequel trilogy in "The Phantom Menace", which takes place 32 years before "Star Wars". Anakin is introduced as a nine-year-old slave living on the planet Tatooine.