Ken Kirby

Clark and Lex team up to rescue members of Clark's high school class after a janitor, Earl Jenkins (Tony Todd), takes them hostage in LuthorCorp's Smallville Fertilizer Plant No. 3. Jenkins claims his deadly "jitters" were caused by a mysterious contaminant, and he threatens to kill everyone unless he is shown a secret sublevel -- which Lionel Luthor (recurring guest star John Glover) denies ever existed.

When Junior (Beulah Koale) is kidnapped as leverage to retrieve the stolen list of undercover CIA agents, and most of Five-0 is rounded up by the CIA to prevent them from interfering, Tani (Meaghan Rath) and Quinn (Katrina Law) ask Magnum and Higgins for their help.

Tensions within the Inner Circle are at an all-time high, as Andy comes to Rebecca’s defense against Reeva. After making an important discovery about Dr. Risman’s research, Lauren convinces Reed and Caitlin that they must take action to destroy it. Frustrated with not being taken seriously, Jace begins to strategize with the Purifiers. Meanwhile, the Mutant Underground continues to work on saving mutants. However, tensions flare between Blink and Thunderbird as they confront their differences.

In attempts to stabilize Reed’s powers, Reed, Caitlin and Lauren meet with Dr. Risman, a doctor who treats patients with debilitating X genes. However, Lauren finds out Dr. Risman is not who she thought she was. Following the Inner Circle’s bank ambush, Thunderbird and Blink continue to work together to chase them down. Meanwhile, Polaris reflects on her troubled relationship with her father and takes steps to protect Dawn from the Inner Circle.

Things look up for Cassie as she books an important audition; Tangey has a business proposition for Pablo.