The Big Bang Theory Season 11 Episode 13: 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.
Aired 2018-01-11 · 21 min
The Big Bang Theory: all seasons and episodes