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Pretty Little Liars (2010) - S03E15 Mystery

5s

Four, three, two, one.

Pretty Little Liars (2010) - S03E15 Mystery

4.9s

Three noble gases? Helium, argon and xenon.

Pretty Little Liars (2010) - S03E15 Mystery

3.2s

End of round two, Spencer's up by three points.