Metropolis High has a special guest judge for this year's science fair! The DC Super Hero Girls are excited to compete, except for Zatanna. Can she give up magic long enough to make her science project a winner?

Kara and Zatanna narrowly averted one farming disaster, but a fertilizer accident could be the last straw!

The day of the science fair has arrived, but how many of the Super Hero Girls are ready?

The full team meets back at Metropolis High to solve the cloud problem. Will science or magic provide the answers?

Zatanna is worried when her friends ask her to stay AWAY from their science projectsÑwhy is she getting the blame for all these accidents?

Steve Trevor finds "the new Diana" a little confusing, and leaves without completing the training. Could it be that Zatanna is the problem with ALL of the science fair projects?

Supergirl left Smallville to live with the Danvers family in Metropolis, but the science fair has inspired her to visit the farm and help the Kents. Zatanna's coming along to help, but she's never even seen a tractor before.