The Line Substitution Solution

"The Line Substitution Solution" is the twenty-third and penultimate episode of the ninth season of the American sitcom The Big Bang Theory. The episode will air on Thursday, May 5, 2016.

Summary
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Extended Plot
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Credits

 * Guest starring:
 * None STUB
 * Teleplay: Steven Molaro, Eric Kaplan & Maria Ferrari
 * Story: Steve Holland, Saladin K. Patterson & Tara Hernandez

Critics
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Trivia
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Quotes
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