The Big Bang Theory Season 11 Episode 13

    The Big Bang Theory Season 11 Episode 13

    When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Wolowitz in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration.

    Episode Title: The Solo Oscillation

    Air Date: 2018-01-11

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