Smallville
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Episode Guide

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EPISODE
Smallville - Season 5, Episode 19
Mercy
A hooded tormentor takes Lionel hostage and orchestrates a series of elaborate games that Lionel must win in order to stay alive. After Clark tells Martha that Lionel knows his secret, she sets out to confront him -- but she inadvertently becomes a pawn in the tormentor's game and ends up fighting for her life.