Complex sentence: At night, Garfield notices Odie's suspicious activity and follows him to the barn, seeing Odie making something out of a piece of wood, some wire, a plunger handle, and a hand rake.
Split into simpler sentences: At night, Garfield notices Odie's suspicious activity and later follows him to the barn. Garfield sees Odie making something out of a piece of wood, some wire, a plunger handle, and a hand rake.