The Big Bang Theory 11×13 Promo “The Solo Oscillation”

The Big Bang Theory 11×13 “The Solo Oscillation” Season 11 Episode 13 Promo – 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, on THE BIG BANG THEORY, Thursday, January 11th on CBS. Laurie Metcalf returns as Sheldon’s mother, Mary.

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