Complex sentence: Scamper and Brain help Igor escape from the recycling plant, then learn that Malbert had deliberately killed Malaria's crops with a weather modification ray so he could implement his "Evil Inventions" plan, thereby keeping himself in power.
Split into simpler sentences: Scamper and Brain help Igor escape from the recycling plant. They then learn that Malbert had deliberately killed Malaria's crops with a weather modification ray so he could implement his "Evil Inventions" plan, thereby keeping himself in power.