Complex sentence: At the end of the first TV series, Patty left for Palm Town with her Aunt Jane; this series picks up after that, with Patty living in Palm Town with Jane and her husband George, who run the Pika Clinic.
Split into simpler sentences: At the end of the first TV series, Patty left for Palm Town with her Aunt Jane. The second series picks up after that, with Patty living in Palm Town with Jane and her husband George, who run the Pika Clinic.