Complex sentence: The Atomic Flounder causes chaos in Industrial Park; and The Dirty Bubble returns with the machine the Jumbo Shrimp used in the third act and plans to hit SpongeBob with more Little Dirty Bubbles.
Split into simpler sentences: The Atomic Flounder causes chaos in Industrial Park; and The Dirty Bubble returns with the machine the Jumbo Shrimp used in the third act. He plans to hit SpongeBob with more Little Dirty Bubbles.