Aired Tuesday July 27, 10:45am - 11:10amon Channel 4 +1
The Big Bang TheorySeries 9 Episode 22: The Fermentation Bifurcation
The gang runs into Penny's old boyfriend at a wine bar as Bernadette spends an evening with Sheldon. Meanwhile, Koothrappali's introduction of his new girlfriend doesn't go as planned.
- Original air date
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