Episode Title:Formula For Disaster.Episode Description:Mark has a bad day at school. He goes behind Chuck's back to eliminate Rotgut when he wanders into the school, destroying Mr. Cheseborough's lab. Mark hides just as both Wayne and Mr. Cheseborough enter, and Wayne is blamed. Kat plans to write a damning article on Wayne for the school newspaper, but Mark takes responsibility, instead penning a more heartfelt one. Mark admits his blame to Mr. Cheseborough, encouraging him to end his deal with Lord Fear, and will protect him from harm. Meanwhile, Ace's increasing paranoia about Kilobyte worries Sparx. Confronting him, Sparx hears Ace's theory that Kilobyte is controlled by someone else. Kilobyte obtain another piece of the Amulet, summoning Pigface, but the Lightning Knights defeat him.