The Big Bang Theory › Season 12

S12 E4: The Tam Turbulence

When Sheldon won't tell anyone why he's never mentioned his childhood best friend, Leonard takes matters into his own hands. Bernadette and Penny take out Raj’s fiancée for dinner to get the skinny on her.

Air date	Oct 11, 2018
Runtime	19 minutes
TMDB rating	★ 6.8/10