J. Douglas Stewart

Sarah becomes fearful of her family’s safety when she discovers the real reason that Michael faked his own death. In the meantime, Michael and Lincoln continue to try find a way home with the help of Sucre, and the real identity of Poseidon is revealed.

While researching unsolved killings in which the victims' organs were removed, Mulder uncovers a species-altering experiment that may be traced back to his own father.

After Jodi (Emily Holmes), the wife of a Special Forces soldier, explodes a pipe bomb in one of Lex's secret laboratories, Lionel is severely injured, and Lex is taken hostage by the enraged spouse. Claiming Lex kidnapped her missing husband, Jodi threatens to blow up the entire laboratory with Lex inside it unless he tells her where the soldier is. Clark sets out to rescue Lex but is immediately felled by the Kryptonite lining the earthen walls. Lex and Clark realize that the only way they will make it out alive is by helping each other.

Detectives Flynn and Vega discover that what initially looks like a case of self-defense during a home invasion is actually something much more calculated. As they work to determine the motive, Cross asserts his position, and this new approach doesn't gel with Angie, leading to tension within the team.

Pritchard’s past comes back to haunt him. 20 years ago, Pritchard covered up a murder committed by a drug lord’s girlfriend, who happened to be his confidential informant at the time. Instead of staying on the right side of the law after Pritchard helped her elude the crime, 20 years later she has turned into a major drug dealer. So now, Pritchard is determined to set things straight. Meanwhile, Mary’s cancer is in remission but she and Otto are at odds over Pritchard, and Otto wants to find a new blood donor for her. Also, Gracie starts dating an older guy.