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“Terminator: The Sarah Connor Chronicles”
8 p.m., KDVR-Channel 31
On an episode titled “Heavy Metal,” Sarah, Cameron and John track down stolen cargo and become separated. The future looks even scarier than they thought.
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“New Adventures of Old Christine”
8:30 p.m., KCNC-Channel 4
Julia Louis-Dreyfus stars in one of television’s underappreciated comedies. She’s worried about consummating her relationship with Mr. Harris (Blair Underwood).
