Aired Saturday June 12, 3:00am - 3:25amon E4 +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
Cast and crew