Episode 8, Jitters

LuthorCorp is experimenting with meteor rocks, and overexposure to the rocks has caused employee Earl Jenkins  to develop violent seizures. During a field trip to the local LuthorCorp plant, Clark and his classmates are taken hostage by Earl, who wants into "Level 3" (a secret testing facility at the plant) so he can find a cure for himself. Clark discovers "Level 3" just as Lex trades himself for the hostages. Clark reveals "Level 3" to Earl and Lex, but Earl's seizures put all three in danger. Clark manages to keep them all alive, and Lex makes a public statement that LuthorCorp will find a cure for Earl's condition