"The Scarecrow" is the fifteenth episode of The Mighty Heroes. It originally aired on CBS on February 1, 1967.
When a lightning bolt strikes a normal scarecrow, it comes to life and gains the ability to create monsters out of hay bails. The scarecrow decides to head out and scare the world, rather than just crows. And with his army of hay/straw monsters, the scarecrow marches on Good Haven. However, the Mighty Heroes stand ready to stop this walking pile of straw.