Michael St. John Smith

Ryan (from "Stray") returns and Clark has to save him from Dr. Garner of the Summerholt Research Facility. Meanwhile, Aunt Nell leaves Smallville, and Lex wants to expand the plant but runs afoul of the mayor.

Dr Melendez and Dr Unger discover their patient isn't being completely honest with them. Dr Browne must learn to communicate with Dr Murphy as they race back to the hospital with a donated organ.

In an attempt to protect the rest of the team, Oliver registers for the Vigilante Registration Act; Lois becomes frustrated when Clark continues to brush aside her offers to help the team.

A student threatens to detonate a cold fusion bomb unless the government meets his demands.

A journalist finds proof that the government is involved with genetic cloning.