Everyone's favorite pranksters are back in the Terrible Two's series finale. It's Miles and Niles's last year at Yawnee Valley Science and Letters Academy, and Miles gets some worrisome news from his mom: After he graduates, they're moving back home, to their old apartment, in a little town by the sea. She thinks this is good news, but Miles knows it is Terrible. As the Terrible Two face the end of their time in Yawnee Valley, they're determined to pull a prank that changes the town forever.