Phineas and... Phineas and... Phineas and...

Phineas And Ferb build a mind reader, almost finding out about Isabella's fellings. Meanwhile, Doof builds an recursion-inator, Doof builds an recursion-inator, Doof builds an recursion-inator, Doof builds an recursion-inator Doof builds an recursion-inator, Doof builds an recursion-inator, Doof builds an recursion-inator...