Complex sentence: Stitch then has another seizure which causes him to crash the space ship in the Hawaiian mountains, Lilo rides over to the crash site in a mini space scooter, she finds Stitch close to death and struggles to get him into Jumba`s fusion chamber.
Split into simpler sentences: Stitch then has another seizure which causes him to crash the spaceship in the Hawaiian mountains. She finds Stitch close to death and struggles to get him into Jumba's fusion chamber.