Aired Friday June 11, 1:00pm - 1:30pmon E4
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
Cast and crew