Iggy and Spike were now smart enough to find Mario and Luigi. They were even smart enough to avoid the tunnel and get to the desert by a safer route.
But the two plumbers were still smarter! When Iggy and Spike arrived in the desert, they were immediately captured by Mario and Luigi.
"They're the creeps who stole Daisy!" Luigi said.
But now Iggy and Spike were too smart to be evil. They offered to help rescue Daisy.
"Maybe we can trade the crystal for Daisy," Luigi suggested. "Let's try and get it back from Big Bertha."