The Birthday Synchronicity

The Big Bang Theory - S10 E11

The Collaboration Contamination

The Big Bang Theory - S11 E5

The Fermentation Bifurcation

The Big Bang Theory - S9 E22

The Monetary Insufficiency

The Big Bang Theory - S11 E22

The Plagiarism Schism

The Big Bang Theory - S12 E21

The Spock Resonance

The Big Bang Theory - S9 E7