Complex sentence: Jeremy is killed in Season 4 after being thrown onto Silas by Katherine and getting attacked by Silas while trying to get the cure and is resurrected by Bonnie Bennett in the season 4 finale.
Split into simpler sentences: Jeremy is killed in Season 4 after being thrown onto Silas by Katherine and getting attacked by Silas while trying to get the cure. He is resurrected by Bonnie Bennett in the season 4 finale.