Laurie Metcalf
Mary Cooper
EpisodeS11E1321 min2018-01-11
The Big Bang Theory
The Solo Oscillation
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.
Crew
Episode-specific crew credits.
